SDCP desert scene  - Illustration by Bill Singleton
SDCP
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Pima County Plant Listing

Genus & Species Common Name Exotic? Source
Abies concolor var. concolor White fir   McLaughlin, S. (1992); Van Devender, T. R. (2005)
Abies lasiocarpa var. arizonica Corkbark fir   McLaughlin, S. (1992); Van Devender, T. R. (2005)
Abronia villosa Hariy sand verbena   McLaughlin, S. (1992)
Abutilon abutiloides Shrubby Indian mallow   McLaughlin, S. (1992); Van Devender, T. R. (2005)
Abutilon berlandieri Berlandier Indian mallow   McLaughlin, S. (1992)
Abutilon incanum Indian mallow   McLaughlin, S. (1992)
Abutilon malacum Yellow Indian mallow   McLaughlin, S. (1992); Van Devender, T. R. (2005)
Abutilon mollicomum Sonoran Indian mallow   McLaughlin, S. (1992)
Abutilon palmeri Palmer Indian mallow   McLaughlin, S. (1992)
Abutilon parishii Pima Indian mallow   McLaughlin, S. (1992)
Abutilon parvulum Dwarf Indian mallow   McLaughlin, S. (1992); UA Herbarium; ASU Vascular Plant Herbarium
Abutilon pringlei     McLaughlin, S. (1992)
Abutilon reventum Yellow flower Indian mallow   McLaughlin, S. (1992); UA Herbarium; ASU Vascular Plant Herbarium
Acacia angustissima Whiteball acacia   McLaughlin, S. (1992); Van Devender, T. R. (2005); DBGH
Acacia constricta Whitethorn acacia   McLaughlin, S. (1992); Van Devender, T. R. (2005)
Acacia greggii Catclaw acacia   McLaughlin, S. (1992); Van Devender, T. R. (2005)
Acacia millefolia Santa Rita acacia   McLaughlin, S. (1992)
Acacia neovernicosa Chihuahuan whitethorn acacia   McLaughlin, S. (1992); Van Devender, T. R. (2005)
Acalypha lindheimeri Shrubby copperleaf   McLaughlin, S. (1992); UA Herbarium
Acalypha neomexicana New Mexico copperleaf   McLaughlin, S. (1992); DBGH
Acalypha ostryaefolia     McLaughlin, S. (1992)
Acalypha pringlei     McLaughlin, S. (1992)
Acamptopappus sphaerocephalus Rayless goldenhead   McLaughlin, S. (1992); UA Herbarium
Acer glabrum Douglas maple   McLaughlin, S. (1992); DBGH
Acer grandidentatum Sugar maple   McLaughlin, S. (1992); DBGH
Acer negundo Ashleaf maple   McLaughlin, S. (1992); DBGH
Achillea millefolium var. lanulosa Common yarrow   McLaughlin, S. (1992); DBGH
Acontinum columbianum     McLaughlin, S. (1992)
Acourtia nana Desert holly   McLaughlin, S. (1992); DBGH
Acourtia thurberi Thurber's desert peony   McLaughlin, S. (1992); DBGH
Acourtia wrightii Brownfoot; Wright's peony   McLaughlin, S. (1992); DBGH; UA Herbarium
Actaea rubra ssp. arguta Red baneberry   McLaughlin, S. (1992); Van Devender, T. R. (2005); UA Herbarium
Adenophyllum porophylloides San Felipe dogweed   McLaughlin, S. (1992); Van Devender, T. R. (2005); DBGH
Adiantum capillus - veneris Common maidenhair   McLaughlin, S. (1992); Van Devender, T. R. (2005); UA Herbarium
Aegopogon tenellus Fragile grass   McLaughlin, S. (1992); UA Herbarium
Agastache breviflora Trans-Pecos giant hyssop   McLaughlin, S. (1992); UA Herbarium; ASU Vascular Plant Herbarium
Agastache pallidiflora     McLaughlin, S. (1992)
Agastache rupestris Threadleaf giant hyssop   McLaughlin, S. (1992); UA Herbarium
Agastache wrightii Sonoran giant hyssop   McLaughlin, S. (1992); UA Herbarium; ASU Vascular Plant Herbarium
Agave chrysantha Golden flowered agave   McLaughlin, S. (1992); DBGH
Agave deserti ssp. subsimplex Desert agave   McLaughlin, S. (1992); Van Devender, T. R. (2005); DBGH
Agave murpheyi Hohokam agave   AGFD (April 1999)
Agave palmeri Palmer agave   McLaughlin, S. (1992); DBGH
Agave parryi     McLaughlin, S. (1992)
Agave parviflora var. parviflora Santa Cruz striped agave   McLaughlin, S. (1992)
Agave schottii var. trealeasii Trelease agave   McLaughlin, S. (1992); (2005)
Ageratina herbacea Fragrant snakeroot   McLaughlin, S. (1992); Van Devender, DBGH
Ageratina paupercula Santa Rita snakeroot   McLaughlin, S. (1992); Van Devender, T. R. (2005); DBGH
Agoseris arizonica Arizona mountain dandelion   McLaughlin, S. (1992); UA Herbarium
Agoseris aurantiaca Orange agoseris   McLaughlin, S. (1992); UA Herbarium; ASU Vascular Plant Herbarium
Agoseris glauca Pale dandelion   McLaughlin, S. (1992); UA Herbarium; ASU Vascular Plant Herbarium
Agoseris heterophylla Annual agoseris   McLaughlin, S. (1992); UA Herbarium; ASU Vascular Plant Herbarium
Agrimonia striata Roadside agrimony   McLaughlin, S. (1992); DBGH
Agrostis exarata Spike bentgrass   McLaughlin, S. (1992); UA Herbarium
Agrostis gigantea   Y M.A. Baker, DBGH
Agrostis scabra Rough bentgrass   McLaughlin, S. (1992); UA Herbarium
Agrostis semiverticillata Beardless rabbitsfoot grass Y McLaughlin, S. (1992); DBGH
Agrostis stolonifera Redtop bentgrass   McLaughlin, S. (1992); Van Devender, T. R. (2005), DBGH
Allionia incarnata Trailing four o'clock   McLaughlin, S. (1992)
Allium bisceptrum var. palmeri Aspen onion   McLaughlin, S. (1992); UA Herbarium
Allium cernuum Nodding onion   McLaughlin, S. (1992); UA Herbarium; ASU Vascular Plant Herbarium
Allium geyeri Geyer's onion   McLaughlin, S. (1992); UA Herbarium
Allium gooddingii Goodding onion   AGFD (April 1999); UA Herbarium
Allium kunthii Kunth's onion   McLaughlin, S. (1992); UA Herbarium; ASU Vascular Plant Herbarium
Allium macropetalum Largeflower onion   McLaughlin, S. (1992); UA Herbarium; ASU Vascular Plant Herbarium
Allium nevadense Nevada onion   UA Herbarium
Allium plummerae Plummer onion   McLaughlin, S. (1992); UA Herbarium
Allophyllum gilioides Blue false gilia   McLaughlin, S. (1992); DBGH
Almutaster pauciflorus Alkali marsh aster   McLaughlin, S. (1992); Van Devender, T. R. (2005); UA Herbarium
Alnus incana ssp. tenufolia Mountain alder   McLaughlin, S. (1992); UA Herbarium
Alnus oblongifolia Arizona alder   McLaughlin, S. (1992); UA Herbarium; ASU Vascular Plant Herbarium
Alopecurus carolinianus Carolina foxtain   McLaughlin, S. (1992); UA Herbarium
Alopecurus geniculatus     McLaughlin, S. (1992)
Aloysia gratissima Whitebrush   McLaughlin, S. (1992); UA Herbarium; ASU Vascular Plant Herbarium
Aloysia wrightii Wright's beebrush   McLaughlin, S. (1992); UA Herbarium; ASU Vascular Plant Herbarium
Alternanthera pungens Creeping chaffweed   McLaughlin, S. (1992); UA Herbarium
Amaranthus acrassipes Spreading amaranth   UA Herbarium
Amaranthus albus Pigweed   McLaughlin, S. (1992); UA Herbarium; ASU Vascular Plant Herbarium
Amaranthus bigelovii     McLaughlin, S. (1992)
Amaranthus blitoides Mat amaranth   McLaughlin, S. (1992); UA Herbarium
Amaranthus fimbriatus var. denticulatus Fringed pigweed   McLaughlin, S. (1992); Van Devender, T. R. (2005); UA Herbarium; ASU Vascular Plant Herbarium
Amaranthus graecizens White pigweed   McLaughlin, S. (1992); UA Herbarium
Amaranthus hybridus Smooth pigweed   UA Herbarium
Amaranthus obcordatus Trans-Pecos amaranth   McLaughlin, S. (1992); UA Herbarium; ASU Vascular Plant Herbarium
Amaranthus palmeri Carelessweed   McLaughlin, S. (1992); DBGH; UA Herbarium; ASU Vascular Plant Herbarium
Amaranthus torreyi Watson's amaranth   McLaughlin, S. (1992); DBGH
Amaranthus xtucsonensis     Van Devender, T. R. (2005)
Ambrosia ambrosioides Big bursage   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Ambrosia confertiflora Slimleaf bursage, weakleaf bursage   McLaughlin, S. (1992); DBGH; UA Herbarium ASU Vascular Plant Herbarium
Ambrosia cordifolia Tucson burr ragweed   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Ambrosia deltoidea Triangleleaf bursage   McLaughlin, S. (1992); DBGH; UA Herbarium, ASU Vascular Plant Herbarium
Ambrosia dumosa White bursage, burrobush   McLaughlin, S. (1992); DBGH; UA Herbarium ASU Vascular Plant Herbarium
Ambrosia ilicifolia Holly leaf bursage   UA Herbarium
Ambrosia psilostachya Western ragweed   McLaughlin, S. (1992): UA Herbarium, ASU Vascular Plant Herbarium
Ambrosia trifida var. texana Giant ragweed/Texas great ragweed   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Ammannia coccinea ssp. robusta Grand redstem   McLaughlin, S. (1992): UA Herbarium, ASU Vascular Plant Herbarium
Ammocodon chenopodioides     McLaughlin, S. (1992)
Amoreuxia gonzalezii Saiya   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Amoreuxia palmatifida Saiya   McLaughlin, S. (1992);UA Herbarium, ASU Vascular Plant Herbarium
Amorpha californica CA false indigo   McLaughlin, S. (1992);UA Herbarium, ASU Vascular Plant Herbarium
Amorpha fruticosa Bastard indigo   McLaughlin, S. (1992); Van Devender, T. R. (2005); UA Herbarium, ASU Vascular Plant Herbarium
Amsinckia intermedia Coast fiddleneck   McLaughlin, S. (1992)
Amsinckia tessellata Bristly fiddleneck   McLaughlin, S. (1992); DBGH
Amsonia grandiflora Large-flowered blue star   McLaughlin, S. (1992)
Amsonia kearneyana Kearney's blue star   McLaughlin, S. (1992)
Anagallis arvensis Scarlet pimpernel Y McLaughlin, S. (1992); UA Herbarium ,ASU Vascular Plant Herbarium
Anagallis minima Chaffweed   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Anaphalis margaritacea Pearly everlasting   DBGH
Androsace occidentalis var. arizonica Western rock-jasmine   McLaughlin, S. (1992); Van Devender, T. R. (2005); UA Herbarium, ASU Vascular Plant Herbarium
Androsace septentrionalis ssp. puberulenta Northern rock-jasmine/pyamy flower   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Anemone tuberosa Desert windflower   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Anemopsis californica Yerba mansa   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Anisacanthus thurberi Thurber's desert honeysuckle   McLaughlin, S. (1992); DBGH
Anoda abutiloides Indian anoda   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Anoda acerifolia     McLaughlin, S. (1992)
Anoda cristata Crested anoda   McLaughlin, S. (1992)
Anoda pentaschista Field anoda   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Antennaria marginata Whitemargin pussytoes   McLaughlin, S. (1992)
Antennaria parvifolia Little-leaf pussytoes   McLaughlin, S. (1992)
Anthemis cotula Dog fennel, stinkweed Y McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Anthericum torreyi Amberlily, Torrey's craglily   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Antheropeas lanusum White easterbonnets   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Antirrhinum cyathiferum og's-mouth   Van Devender, T. R. (2005); UA Herbarium, ASU Vascular Plant Herbarium
Antirrhinum filipes Filipe's snapdragon   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Antirrhinum nuttallianum Violet snapdragon   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Apiastrum angustifolium     McLaughlin, S. (1992)
Apium angustifolium     Van Devender, T. R. (2005)
Apium leptophyllum Marsh parsley Y McLaughlin, S. (1992); UA Herbarium
Apocynum androsaemifolium Bitterroot, spreading dogbane   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Apocynum cannabinum Common dogbane   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Apodanthera undulata Melon loco   McLaughlin, S. (1992)
Aquilegia chrysantha Golden columbine   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Aquilegia desertorum Desert columbine   McLaughlin, S. (1992); UA Herbarium
Arabis perennans Perennial rockcress   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Arabis tricornuta     McLaughlin, S. (1992)
Aralia humilis Arizona spikenard   McLaughlin, S. (1992); UA Herbarium
Aralia racemosa American spikenard   McLaughlin, S. (1992); UA Herbarium
Arbutus arizonica Arizona madrone   McLaughlin, S. (1992)
Arcenthobium gilli Huachuca Mtn. Dwarf mistletoe   UA Herbarium, ASU Vascular Plant Herbarium
Arceuthobium apachecum Apache dwarf mistletoe   Van Devender, T. R. (2005); UA Herbarium, ASU Vascular Plant Herbarium
Arceuthobium campylopodum     McLaughlin, S. (1992)
Arceuthobium douglasii Douglas fir dwarf mistletoe   McLaughlin, S. (1992); UA Herbarium
Arceuthobium vaginatum ssp. cryptopodum Ponderosa pine dwarf mistletoe   McLaughlin, S. (1992); Van Devender, T. R. (2005); UA Herbarium, ASU Vascular Plant Herbarium
Arctostaphylos pringlei Manzanita   McLaughlin, S. (1992)
Arctostaphylos pungens Pointleaf manzanita   McLaughlin, S. (1992)
Arenaria lanuginosa Spreading sandwort   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Arenaria lanuginosa ssp. saxosa Spreading sandwort   McLaughlin, S. (1992), UA Herbarium
Argemone gracilenta Prickly poppy   McLaughlin, S. (1992)
Argemone ochroleuca ssp. ochroleuca Mexican prickly poppy   Van Devender, T. R. (2005)
Argemone pleiacantha ssp. pleiacantha Southwestern prickly poppy   McLaughlin, S. (1992); Van Devender, T. R. (2005)
Argyrochosma jonesii Jone's lipfern   McLaughlin, S. (1992); Van Devender, T. R. (2005); UA Herbarium
Argyrochosma limitanea ssp. limitanea Southwestern false clonkfern   McLaughlin, S. (1992); Van Devender, T. R. (2005); UA Herbarium
Aristida adscensionis Six-weeks threeawn   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Aristida barbata Havard's threeawn   McLaughlin, S. (1992); UA Herbarium
Aristida californica var. californica California threeawn   Van Devender, T. R. and J. Weins (2005); UA Herbarium
Aristida divaricata Poverty threeawn   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Aristida glabrata Santa Rita threeawn   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Aristida laxa     UA Herbarium
Aristida orcuttiana Single threeawn   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Aristida pansa Wooten's threeawn   McLaughlin, S. (1992)
Aristida purpurea var. longiseta Red threeawn   Van Devender, T. R. (2005); UA Herbarium, ASU Vascular Plant Herbarium
Aristida purpurea var. nealleyi Blue threeawn   Van Devender, T. R. (2005); UA Herbarium, ASU Vascular Plant Herbarium
Aristida purpurea var. parishii Parish's treeawn   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Aristida purpurea var. pupurea Purple threeawn   McLaughlin, S. (1992); Van Devender, T. R. (2005)
Aristida purpurea var. wrightii Wright's threeawn   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Aristida ternipes var. gentilis Mesa threeawn   Van Devender, T. R. (2005); DBGH
Aristida ternipes var. ternipes Spidergrass   McLaughlin, S. (1992); Van Devender, T. R. (2005); UA Herbarium, ASU Vascular Plant Herbarium
Aristolochia watsonii Indian root   McLaughlin, S. (1992)
Artemisia annua Annual wormwood Y McLaughlin, S. (1992)
Artemisia campestris Common sagewort   McLaughlin, S. (1992)
Artemisia dracunculus Silky wormwood   McLaughlin, S. (1992)
Artemisia franserioides Ragweed sagebrush   McLaughlin, S. (1992)
Artemisia ludoviciana Silver wormwood   McLaughlin, S. (1992)
Asclepias albicans. Whitestem milkweed   UA Herbarium
Asclepias angustifolia Arizona milkweed   McLaughlin, S. (1992); UA Herbarium
Asclepias asperula ssp. aperula Spider milkweed   DBGH, ASU Vascular Plant Herbarium
Asclepias asperula ssp. capricornu Antelopehorns   McLaughlin, S. (1992); Van Devender, T. R. (2005); UA Herbarium, ASU Vascular Plant Herbarium
Asclepias brachystephana Shortcrown milkweed   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Asclepias elata Nodding milkweed   McLaughlin, S. (1992); UA Herbarium
Asclepias engelmanniana Engelmann's milkweed   McLaughlin, S. (1992); UA Herbarium
Asclepias hypoleuca Mahogany milkweed   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Asclepias involucrata Dwarf milkweed   McLaughlin, S. (1992); UA Herbarium
Asclepias lemmoni Bigleaf milkweed   McLaughlin, S. (1992); UA Herbarium
Asclepias linaria Pineneedle milkweed   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Asclepias macrotis Longhood milkweed   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Asclepias nummularia Tuffed milkweed   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Asclepias nyctaginifolia Mohave milkweed   McLaughlin, S. (1992); DBGH; UA Herbarium, ASU Vascular Plant Herbarium
Asclepias quinquedentata Slimpod milkweed   McLaughlin, S. (1992); UA Herbarium
Asclepias subverticillata Horsetail milkweed   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Asclepias tuberosa var. interior Butterfly milkweed   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Aspicarpa hirtella Chaparral asphead   McLaughlin, S. (1992); UA Herbarium
Asplenium dalhousiae Dalhousie's spleen wort   McLaughlin, S. (1992); UA Herbarium
Asplenium palmeri Palmer's spleenwort   McLaughlin, S. (1992); UA Herbarium
Asplenium resiliens Blackstem spleenwort   McLaughlin, S. (1992); UA Herbarium
Asplenium septentrionale Forked spleenwort   McLaughlin, S. (1992);UA Herbarium
Asplenium trichomanes Maidenhair spleenwort   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Aster coerulescens Willowleaf aster   McLaughlin, S. (1992); UA Herbarium
Aster intricatus Shrubby alkaliaster   McLaughlin, S. (1992); UA Herbarium
Astragalus allochrous var. allochrous Half moon milkvetch   McLaughlin, S. (1992); Van Devender, T. R. (2005); UA Herbarium, ASU Vascular Plant Herbarium
Astragalus arizonicus Arizona milkvetch   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Astragalus didymocarpus var. dispermus Dwarf white milkvetch   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Astragalus hallii     McLaughlin, S. (1992)
Astragalus humistratus Groundcover milkvetch   McLaughlin, S. (1992); UA Herbarium
Astragalus lentiginosus var. australis Freckled milkvetch   McLaughlin, S. (1992); Van Devender, T. R. (2005); UA Herbarium, ASU Vascular Plant Herbarium
Astragalus mollissimus var. bigelovii Bigelove's milkvetch   McLaughlin, S. (1992); UA Herbarium
Astragalus nothoxys Sheep milkvetch   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Astragalus nuttallianus Nuttall milkvetch   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Astragalus nuttallianus var. austrinus Smallflowered milkvetch   ASU Vascular Plant Herbarium
Astragalus nuttallianus var. imperfectus Turkey peas   ASU Vascular Plant Herbarium
Astragalus thurberi Thurber's milkvetch   McLaughlin, S. (1992); UA Herbarium
Astragalus wootoni     McLaughlin, S. (1992)
Astrolepis cochisensis ssp. arizonica Arizona scaly cloakfern   ASU Vascular Plant Herbarium
Astrolepis cochisensis ssp. cochisensis Cochise Scaly cloakfern   McLaughlin, S. (1992); Van Devender, T. R. (2005); UA Herbarium, ASU Vascular Plant Herbarium
Astrolepis integerrima Hybrid cloakfern   UA Herbarium, ASU Vascular Plant Herbarium
Astrolepis sinuata ssp. sinuata Wavy scaly cloakfern   McLaughlin, S. (1992); Van Devender, T. R. (2005); UA Herbarium, ASU Vascular Plant Herbarium
Astrolepis windhamii Windham's scaly cloakfern   UA Herbarium, ASU Vascular Plant Herbarium
Athyrium filix-femina Common lady fern   McLaughlin, S. (1992); UA Herbarium
Athysanus pusillus Common sandweed   McLaughlin, S. (1992);UA Herbarium, ASU Vascular Plant Herbarium
Atriplex canescens Fourwing saltbush   McLaughlin, S. (1992); UA Herbarium
Atriplex canescens var. linearis Thinleaf fourwing saltbush   McLaughlin, S. (1992); UA Herbarium
Atriplex elegans var. elegans Wheelscale saltbush   McLaughlin, S. (1992); Van Devender, T. R. (2005);UA Herbarium
Atriplex elegans var. fasciculata Wheelscale saltbush   McLaughlin, S. (1992); UA Herbarium
Atriplex lentiformis Big saltbush   McLaughlin, S. (1992); UA Herbarium
Atriplex pacifica     McLaughlin, S. (1992)
Atriplex polycarpa Desert saltbush, Cattle spinach   McLaughlin, S. (1992); UA Herbarium
Atriplex rosea   Y McLaughlin, S. (1992)
Atriplex semibaccata Australian saltbush Y McLaughlin, S. (1992); UA Herbarium
Atriplex thornberi Saltbush   UA Herbarium
Atriplex wrightii Wright's saltbush   McLaughlin, S. (1992); UA Herbarium
Avena barbata Slender oat Y McLaughlin, S. (1992); UA Herbarium
Avena fatua Wild oat; flaxgrass Y McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Avena sativa Common oat Y Van Devender, T. R. (2005); UA Herbarium
Ayenia filiformis Trans-Pecos ayenia   McLaughlin, S. (1992); Van Devender, T. R. (2005); UA Herbarium, ASU Vascular Plant Herbarium
Ayenia microphylla Shrubby ayenia   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Ayenia pusilla Ayenia   McLaughlin, S. (1992); UA Herbarium
Azolla filiculoides Pacific mosquito fern   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Azolla mexicana Mexican mosquito fern   McLaughlin, S. (1992): UA Herbarium
Baccharis brachyphylla Shortleaf baccharis   McLaughlin, S. (1992); UA Herbarium
Baccharis emoryi Emory's baccharis   McLaughlin, S. (1992); UA Herbarium
Baccharis pteronioides Yerba de pasmo   McLaughlin, S. (1992); UA Herbarium
Baccharis salicifolia Seep willow, mule fat   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Baccharis sarothroides Desert broom   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Baccharis thesioides Arizona baccharis   McLaughlin, S. (1992); UA Herbarium
Bahia absinthifolia Hairyseed bahia   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Bahia dissecta Ragleaf bahia   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Bahia pedata Bluntscale bahia   DBGH
Baileya multiradiata Desert marigold   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Baileya pleniradiata Woolly marigold   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Bebbia juncea Sweetbush   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Berberis haematocarpa Arizona algerita   McLaughlin, S. (1992); Van Devender, T. R. (2005); ASU Vascular Plant Herbarium
Berberis harrisoniana Red burberry   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Berberis trifoliata     McLaughlin, S. (1992); Van Devender, T. R. (2005)
Berberis wilcoxii Wilcox's barberry   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Berlandiera lyrata Lyreleaf greeneyes   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Bernardia incana Western Bernardia   McLaughlin, S. (1992); UA Herbarium
Berula erecta Cutleaf waterparsnip   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Bidens aurea Arizona beggarticks   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Bidens bigelovii Bigelow's beggarticks   McLaughlin, S. (1992); UA Herbarium
Bidens ferulaefolia Apache beggar ticks   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Bidens heterosperma Rocky Mountain beggarticks   McLaughlin, S. (1992); UA Herbarium
Bidens laevis Smooth beggarticks   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Bidens lemmoni Lemmon's beggarticks   McLaughlin, S. (1992); UA Herbarium
Bidens leptocephala Fewflower beggarticks   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Bidens pilosa Spanish needles   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Bidens tenuisecta Slimlobe beggarticks   McLaughlin, S. (1992); UA Herbarium
Blepharoneuron tricholepis Pine Dropseed   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Boerhavia coccinea Scarlet spiderling   McLaughlin, S. (1992); Van Devender, T. R. (2005); UA Herbarium, ASU Vascular Plant Herbarium
Boerhavia coulteri var. palmeri Spiderling   McLaughlin, S. (1992); Van Devender, T. R. (2005); UA Herbarium, ASU Vascular Plant Herbarium
Boerhavia erecta Erect Spiderling   McLaughlin, S. (1992); Van Devender, T. R. (2005); UA Herbarium, ASU Vascular Plant Herbarium
Boerhavia gracillima Slimstalk Spiderling   McLaughlin, S. (1992); Van Devender, T. R. (2005); UA Herbarium
Boerhavia intermedia Five-wing Spiderling   McLaughlin, S. (1992); Van Devender, T. R. (2005); UA Herbarium, ASU Vascular Plant Herbarium
Boerhavia megaptera AnnualSpiderling   McLaughlin, S. (1992); Van Devender, T. R. (2005); UA Herbarium, ASU Vascular Plant Herbarium
Boerhavia pterocarpa Apache Pass Spiderling   McLaughlin, S. (1992); Van Devender, T. R. (2005); UA Herbarium
Boerhavia purpurascens Purple Spiderling   McLaughlin, S. (1992); Van Devender, T. R. (2005); UA Herbarium, ASU Vascular Plant Herbarium
Boerhavia spicata CreepingSpiderling   McLaughlin, S. (1992); Van Devender, T. R. (2005); UA Herbarium, ASU Vascular Plant Herbarium
Boerhavia wrightii Desert spiderling   McLaughlin, S. (1992); Van Devender, T. R. (2005); UA Herbarium, ASU Vascular Plant Herbarium
Bommeria hispida Copper fern   McLaughlin, S. (1992); Van Devender, T. R. (2005); UA Herbarium, ASU Vascular Plant Herbarium
Bothriochloa barbinodis Bluestem, Canebeard grass   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Bothriochloa ischaemum var. songarica Yellow bluestem Y McLaughlin, S. (1992); Van Devender, T. R. (2005)
Bothriochloa saccharoides     McLaughlin, S. (1992)
Bouteloua aristidoides var. aristidoides Needle gramma   McLaughlin, S. (1992); Van Devender, T. R. (2005); UA Herbarium, ASU Vascular Plant Herbarium
Bouteloua barbata var. barbata Six-week gramma   McLaughlin, S. (1992); Van Devender, T. R. (2005); UA Herbarium, ASU Vascular Plant Herbarium
Bouteloua chondrosioides Sprucetop gramma   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Bouteloua curtipendula Sideoats gramma   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Bouteloua eludens Santa Rita Gramma   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Bouteloua eriopoda Black gramma   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Bouteloua gracilis Blue gramma   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Bouteloua hirsuta Hairy gramma   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Bouteloua parryi Parry's gramma   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Bouteloua radicosa Purple gramma   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Bouteloua repens Slender gramma   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Bouteloua rothrockii Rothrock's gramma   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Bouteloua trifida Red gramma   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Bouvardia ternifolia Firecracker bush   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Bowlesia incana Hairy bowlesia   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Brachiaria arizonica Arizona signalgrass   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Brachiaria ciliatissima Fringed signalgrass   UA Herbarium
Brachiaria fasciculata Browntop signalgrass   Van Devender, T. R. (2005); UA Herbarium, ASU Vascular Plant Herbarium
Brachiaria texana Texas signalgrass   UA Herbarium; ASU Herbarium
Brachystigma wrightii Arizona desert foxglove   McLaughlin, S. (1992); UA Herbarium
Brandegea bigelovii Desert Starvine   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Brassica nigra Black mustard Y McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Brassica rapa Birdsrape mustard   UA Herbarium
Brassica tournefortii Sahara mustard Y Van Devender, T. R. (2005); UA Herbarium, ASU Vascular Plant Herbarium
Brickellia amplexicaulis Earleaf brickellbush   McLaughlin, S. (1992); UA Herbarium
Brickellia atractyloides Spearleaf brickellbush   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Brickellia baccharidea Baccharisleaf brickellbush   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Brickellia betonicaefolia Betonyleaf brickellbush   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Brickellia brachyphylla Brach brickelbush   UA Herbarium
Brickellia californica California brickellbush   McLaughlin, S. (1992): UA Herbarium, ASU Vascular Plant Herbarium
Brickellia coulteri var. coulteri Coulter brickelbush   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Brickellia eupatorioides var. chlorolepis False boneset   McLaughlin, S. (1992); Van Devender, T. R. (2005); UA Herbarium, ASU Vascular Plant Herbarium
Brickellia floribunda Desert brickellbush   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Brickellia frutescens Rigid brickellbush   McLaughlin, S. (1992)
Brickellia grandiflora Tassel Flower brickellbush   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Brickellia parvula Small brickellbush   McLaughlin, S. (1992); UA Herbarium
Brickellia pringlei Pringle's brickellbush   McLaughlin, S. (1992); UA Herbarium
Brickellia rusbyi Stinking brickellbush   McLaughlin, S. (1992); UA Herbarium
Brickellia venosa Veiny brickellbush   McLaughlin, S. (1992); ASU Vascular Plant Herbarium
Bromus anomalus Nodding brome   McLaughlin, S. (1992); UA Herbarium
Bromus arizonicus Arizona Brome   ASU Vascular Plant Herbarium
Bromus carinatus var. arizonicus California brome   McLaughlin, S. (1992); Van Devender, T. R. (2005); UA Herbarium, ASU Vascular Plant Herbarium
Bromus carinatus var. marginatus     Van Devender, T. R. (2005); ASU Vascular Plant Herbarium
Bromus catharticus Rescuegrass   McLaughlin, S. (1992); Van Devender, T. R. (2005); UA Herbarium
Bromus ciliatus Fringed brome   McLaughlin, S. (1992); UA Herbarium
Bromus diandrus Great brome   Van Devender, T. R. (2005); UA Herbarium, ASU Vascular Plant Herbarium
Bromus frondosus Weeping brome   McLaughlin, S. (1992); UA Herbarium
Bromus hordeaceus Soft brome Y McLaughlin, S. (1992); UA Herbarium
Bromus inermis Smooth brome Y McLaughlin, S. (1992); Van Devender, T. R. (2005); UA Herbarium, ASU Vascular Plant Herbarium
Bromus japonicus Japanese brome Y McLaughlin, S. (1992); UA Herbarium
Bromus lanatipes Wooly brome   McLaughlin, S. (1992); UA Herbarium
Bromus marginatus Mountain brome   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Bromus porteri Porter brome   McLaughlin, S. (1992); UA Herbarium
Bromus rigidus Stiff brome Y McLaughlin, S. (1992)
Bromus rubens Red brome Y McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Bromus tectorum Cheatgrass   Van Devender, T. R. (2005); UA Herbarium, ASU Vascular Plant Herbarium
Buddleja sessiliflora Butterfly bush   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Bulbostylis capillaris Densetuft hairsedge   McLaughlin, S. (1992); UA Herbarium
Bulbostylis funckii     McLaughlin, S. (1992)
Bulbostylis juncoides Rush hairsedge   McLaughlin, S. (1992); UA Herbarium
Bupleurum lancifolium   Y McLaughlin, S. (1992)
Bursera fagaroides var. elongata Torchwood copal   McLaughlin, S. (1992); Van Devender, T. R. (2005)
Bursera microphylla Elephant tree   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Caesalpinia gilliesii Bird of paradise Y McLaughlin, S. (1992); UA Herbarium
Calamagrostis canadensis Blue joint reedgrass   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Calandrinia ciliata var. menziesii Desert rockpurslane   McLaughlin, S. (1992); Van Devender, T. R. (2005); DBGH
Calliandra eriophylla Fairy duster, False mesquite   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Calliandra humilis var. humilis Dwarf Stickpen; Mtn. Calliandra Y McLaughlin, S. (1992); Van Devender, T. R. (2005)
Calliandra humilis var. reticulata Dwarf stickpen   McLaughlin, S. (1992); Van Devender, T. R. (2005)
Callitriche heterophylla Greater water starwort   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Callitriche verna Vernal water starwort   McLaughlin, S. (1992): UA Herbarium
Calochortus ambiguus Doubting mariposa lily   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Calochortus kennedyi Desert mariposa lily   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Calycoseris parryi Yellow tackstem   Van Devender, T. R. (2005); UA Herbarium
Calycoseris wrightii White tackstem   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Calyophus hartwegii     McLaughlin, S. (1992)
Calyophus toumeyi     McLaughlin, S. (1992)
Calyptridium parryi     McLaughlin, S. (1992)
Camissonia boothii ssp. condensata Shredding suncup   McLaughlin, S. (1992); Van Devender, T. R. (2005); UA Herbarium, ASU Vascular Plant Herbarium
Camissonia brevipes ssp. brevipes Golden suncup   McLaughlin, S. (1992); UA Herbarium
Camissonia californica California Primrose   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Camissonia chamaenerioides Long-capsule suncup   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Camissonia claviformis Clavatefruit suncup   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Camissonia claviformis ssp. peebles Peebles browneyes   UA Herbarium, ASU Vascular Plant Herbarium
Camissonia claviformis ssp. rubescens browneyes   UA Herbarium
Camissonia micrantha     McLaughlin, S. (1992); UA Herbarium
Camissonia pallida Pale yellow suncup   UA Herbarium
Camissonia refracta Narrowleaf primrose   McLaughlin, S. (1992); Van Devender, T. R. (2005)
Cannabis sativa Marijuana   Van Devender, T. R. (2005); UA Herbarium
Canotia holacantha Canotia   McLaughlin, S. (1992); UA Herbarium
Capparis atamisquea     McLaughlin, S. (1992); Van Devender, T. R. (2005)
Capsella bursa-pastoris Shepard's purse Y McLaughlin, S. (1992)
Capsicum annuum var. aviculare Chiltepin   McLaughlin, S. (1992)
Cardiospermum corindum   Y McLaughlin, S. (1992)
Carex agrostoides Grassleaf sedge   McLaughlin, S. (1992); UA Herbarium
Carex athrostachya Slender-beak sedge   UA Herbarium
Carex bolanderi Bolander's sedge   McLaughlin, S. (1992); UA Herbarium
Carex chihuahuensis Chihuahuan sedge   McLaughlin, S. (1992); UA Herbarium
Carex deweyana     McLaughlin, S. (1992)
Carex geophila White Mtn. Sedge   McLaughlin, S. (1992); UA Herbarium
Carex interior Inland sedge   UA Herbarium
Carex leptopoda Shortscale sedge   McLaughlin, S. (1992); UA Herbarium
Carex leucodonta Huachuca Mtn. Sedge   McLaughlin, S. (1992); UA Herbarium
Carex occidentalis Western sedge   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Carex petasata Liddon's sedge   UA Herbarium
Carex praegracilis Clustered field sedge   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Carex senta Swamp sedge   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Carex siccata Dryspike sedge   McLaughlin, S. (1992); UA Herbarium
Carex spissa var. ultra Cochise sedge   UA Herbarium, ASU Vascular Plant Herbarium
Carex subfusca Brown sedge   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Carex thurberi Thurber's sedge   McLaughlin, S. (1992); UA Herbarium
Carex vallicola Valley sedge   McLaughlin, S. (1992); ASU Vascular Plant Herbarium
Carex wootoni     McLaughlin, S. (1992)
Carlowrightia arizonica Arizona wrightwort   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Carminatia tenuiflora Plumeweed   McLaughlin, S. (1992); UA Herbarium
Carnegiea gigantea Saguaro   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Carphochaete bigelovii Bigelow's bristlehead   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Carthamus tinctorius Safflower Y Van Devender, T. R. (2005); UA Herbarium
Cassia bauhinioides Twinleaf senna   McLaughlin, S. (1992); UA Herbarium
Cassia phyllodinea   Y Van Devender, T. R. (2005)
Castela emoryi Cricifixion thorn   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Castilleja attenuata Attenuate Indian paintbrush   ASU Vascular Plant Herbarium
Castilleja austromontana Rincon Mtn. Indian paintbrush   McLaughlin, S. (1992); ASU Vascular Plant Herbarium
Castilleja exserta ssp. exserta Exserted Indian paintbrush   Van Devender, T. R. (2005); UA Herbarium, ASU Vascular Plant Herbarium
Castilleja integra Wholeleaf Indian paintbrush   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Castilleja lanata Sierra woolly Indian paintbrush   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Castilleja linariifolia     McLaughlin, S. (1992); ASU Vascular Plant Herbarium
Castilleja minor Alkali Indian paintbrush   McLaughlin, S. (1992); UA Herbarium
Castilleja sessiliflora Great Plains Indian paintbrush   McLaughlin, S. (1992); UA Herbarium
Castilleja tenuiflora Santa Catalina Indian paintbrush   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Cathestecum brevifolium False gramma   Van Devender, T. R. (2005); UA Herbarium
Caulanthus lasiophyllus Wild cabbage   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Ceanothus fendleri Fendler's ceanothus   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Ceanothus greggii Sesert ceanothus   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Ceanothus integerrimus Deerbrush   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Celtis pallida Desert hackberry   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Celtis reticulata Netleaf hackberry   McLaughlin, S. (1992); Van Devender, T. R. (2005); UA Herbarium, ASU Vascular Plant Herbarium
Cenchrus echinatus Common sandbar   McLaughlin, S. (1992); UA Herbarium
Cenchrus incertus Coastal sandbur   McLaughlin, S. (1992); UA Herbarium
Centaurea melitensis Spotted knapweed Y McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Centaurea repens Russian knapweed Y McLaughlin, S. (1992); UA Herbarium
Centaurium calycosum Wright's silktassel   McLaughlin, S. (1992); Van Devender, T. R. (2005); DBGH; UA Herbarium, ASU Vascular Plant Herbarium
Centaurium nudicaule Santa Catalina Mtn. Centaury   McLaughlin, S. (1992); UA Herbarium
Cephalanthus occidentalis Common buttonbush   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Cerastium brachypodum Bractpod chickweed   McLaughlin, S. (1992); ASU Vascular Plant Herbarium
Cerastium glomeratum Sticky chickweed   ASU Vascular Plant Herbarium
Cerastium gracile Slender chickweed   UA Herbarium
Cerastium nutans Common chickweed   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Cerastium texanum Texas chickweed   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Cerastium vulgatum   Y McLaughlin, S. (1992)
Ceratoides lanata Winterfat   McLaughlin, S. (1992); UA Herbarium
Cercocarpus montanus Alderleaf mountain mahogany   ASU Vascular Plant Herbarium
Cercocarpus montanus var. glaber     McLaughlin, S. (1992)
Cercocarpus montanus var. paucidentatus Hairy Mtn. Mahogany   McLaughlin, S. (1992); UA Herbarium
Cevallia sinuata Stinging serpent   McLaughlin, S. (1992)
Chaenactis carphoclinia Pebble pincushion plant   McLaughlin, S. (1992)
Chaenactis stevioides Desert pincushion   McLaughlin, S. (1992); Van Devender, T. R. (2005)
Chaetopappa ericoides Smallflower aster   McLaughlin, S. (1992); Van Devender, T. R. (2005)
Chamaecrista absus   Y McLaughlin, S. (1992); Van Devender, T. R. (2005)
Chamaecrista nictitans Partridge pea   McLaughlin, S. (1992)
Chamaesaracha coronopus Greenleaf five eyes   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Chamaesaracha sordida Hairy five eyes   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Chamomilla suaveolens Pineapple weed Y McLaughlin, S. (1992); Van Devender, T. R. (2005)
Chaptalia seemanii     McLaughlin, S. (1992)
Cheilanthes bonariensis Golden lip fern   McLaughlin, S. (1992); Van Devender, T. R. (2005); UA Herbarium, ASU Vascular Plant Herbarium
Cheilanthes covillei     McLaughlin, S. (1992); Van Devender, T. R. (2005); ASU Vascular Plant Herbarium
Cheilanthes eatonii Eaton's lip fern   McLaughlin, S. (1992); Van Devender, T. R. (2005); UA Herbarium, ASU Vascular Plant Herbarium
Cheilanthes feei Slender lip fern   McLaughlin, S. (1992); Van Devender, T. R. (2005); UA Herbarium, ASU Vascular Plant Herbarium
Cheilanthes fendleri Fendler's lip fern   McLaughlin, S. (1992); Van Devender, T. R. (2005); UA Herbarium, ASU Vascular Plant Herbarium
Cheilanthes lendigera Nit-bearing lip fern   McLaughlin, S. (1992); Van Devender, T. R. (2005); UA Herbarium
Cheilanthes lindheimeri Fairy swords, Lindheimer lip fern   McLaughlin, S. (1992); Van Devender, T. R. (2005); UA Herbarium, ASU Vascular Plant Herbarium
Cheilanthes parryi Parry's lip fern   McLaughlin, S. (1992); Van Devender, T. R. (2005); UA Herbarium, ASU Vascular Plant Herbarium
Cheilanthes pringlei Pringle lip fern   McLaughlin, S. (1992); Van Devender, T. R. (2005); UA Herbarium, ASU Vascular Plant Herbarium
Cheilanthes tomentosa Woolly lip fern   McLaughlin, S. (1992); Van Devender, T. R. (2005); UA Herbarium
Cheilanthes villosa Villous lip fern   McLaughlin, S. (1992); Van Devender, T. R. (2005); UA Herbarium, ASU Vascular Plant Herbarium
Cheilanthes wootoni Beaded lip fern   McLaughlin, S. (1992); Van Devender, T. R. (2005); UA Herbarium, ASU Vascular Plant Herbarium
Cheilanthes wrightii Wright's lip fern   McLaughlin, S. (1992); Van Devender, T. R. (2005); UA Herbarium, ASU Vascular Plant Herbarium
Cheilanthes yavapensis Graceful lip fern   Van Devender, T. R. (2005); UA Herbarium, ASU Vascular Plant Herbarium
Chenopodium album Lambsquarters goosefoot   UA Herbarium
Chenopodium berlanderi var. sinuatum Pitseed goosefoot   UA Herbarium
Chenopodium berlandieri Pitseed goosefoot   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Chenopodium fremontii Fremont's goosefoot   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Chenopodium graveolens Fetid goosefoot   McLaughlin, S. (1992); UA Herbarium
Chenopodium incanum Mealy goosefoot   McLaughlin, S. (1992); Van Devender, T. R. (2005); UA Herbarium, ASU Vascular Plant Herbarium
Chenopodium murale Nettle-leaf goosefoot Y McLaughlin, S. (1992); ASU Vascular Plant Herbarium
Chenopodium neomexicanum New Mexico goosefoot   McLaughlin, S. (1992); UA Herbarium
Chenopodium palmeri     McLaughlin, S. (1992)
Chenopodium pratericola Desert goosefoot   McLaughlin, S. (1992); UA Herbarium
Chenopodium salinum Rocky Mountain goosefoot   ASU Vascular Plant Herbarium
Chenopodium watsonii Watson's goosefoot   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Chilopsis linearis Desert willow   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Chilopsis linearis ssp. arcuata Desert willow   UA Herbarium
Chimaphila maculata Striped prince's pine   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Chloracantha spinosa Devilweed aster   McLaughlin, S. (1992); Van Devender, T. R. (2005); UA Herbarium, ASU Vascular Plant Herbarium
Chloris chloridea Windmill grass   McLaughlin, S. (1992); UA Herbarium
Chloris crinita Two Flower chloris   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Chloris gayana Rhodes grass Y McLaughlin, S. (1992); UA Herbarium
Chloris virgata Feather fingergrass   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Choisya arizonica Arizona orange   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Chorizanthe brevicornu Brittle spineflower   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Chorizanthe corrugata Corrugated spiny herb   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Chorizanthe rigida Desert spiny herb   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Chrysopsis hispida     McLaughlin, S. (1992)
Cichorium intybus Common chicory Y McLaughlin, S. (1992); UA Herbarium
Cirsium arizonicum Arizona thistle   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Cirsium calcareum Cainville thistle   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Cirsium neomexicanum Lavender thistle   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Cirsium ochrocentrum Yellowspine thistle   McLaughlin, S. (1992); UA Herbarium
Cirsium undulatum Wavyleaf thistle   McLaughlin, S. (1992); UA Herbarium
Cirsium wheeleri Wheeler thistle   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Cissus trifoliata Sorrelvine   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Cistanthe monandra Common pussypaws; sandcress   McLaughlin, S. (1992); Van Devender, T. R. (2005); UA Herbarium
Citrullus lanatus Watermelon Y Van Devender, T. R. (2005)
Clarkia epiloboides Canyon fairy fan   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Clarkia purpurea Wine cup fairy fan   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Clarkia rhomboidea     McLaughlin, S. (1992)
Claytonia perfoliata Miner's lettuce   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Claytonia perfoliata ssp. mexicana Miner's lettuce   UA Herbarium
Clematis drummondii Western virgin's bower, Texas virgin-bower   McLaughlin, S. (1992)
Clematis ligusticifolia     McLaughlin, S. (1992)
Cleome lutea Yellow spiderflower   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Clinopodium vulgare     McLaughlin, S. (1992)
Clitoria mariana Pidgeonwings   McLaughlin, S. (1992); UA Herbarium
Cnidoscolus angustidens var. angustidens Mala mujer   McLaughlin, S. (1992); Van Devender, T. R. (2005)
Cocculus diversifolius Snailseed   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Cologania angustifolia Longleaf cologania   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Cologania lemmoni     McLaughlin, S. (1992); UA Herbarium
Colubrina californica     McLaughlin, S. (1992)
Comandra umbellata var. pallida Bastard toadflax   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Commelina dianthifolia Birdbill dayflower   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Commelina erecta Erect dayflower   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Commicarpus scandens Climbing spiderling   McLaughlin, S. (1992); DBGH; UA Herbarium, ASU Vascular Plant Herbarium
Commilina erecta var. angustifolia Whitemouth dayflower   UA Herbarium
Condalia correllii Correll's snakewood   Van Devender, T. R. (2005); UA Herbarium
Condalia ericoides     McLaughlin, S. (1992)
Condalia globosa var. pubescens Bitter condalia, Bitter snakewood   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Condalia mexicana     McLaughlin, S. (1992)
Condalia spathulata     McLaughlin, S. (1992)
Condalia warnockii var. kearneyana Kearney's snakewood   Van Devender, T. R. (2005); UA Herbarium
Conioselinum greggii Palmleaf thoroughwort   UA Herbarium, ASU Vascular Plant Herbarium
Conioselinum mexicanum     McLaughlin, S. (1992)
Conioselinum scopulorum     McLaughlin, S. (1992)
Conium maculatum Poison hemlock   DBGH; UA Herbarium, ASU Vascular Plant Herbarium
Conoclinium greggii Palmleaf thoroughwort   UA Herbarium; ASU Vascular Plant Herbarium
Convolvulus arvensis Creeping jenny; field bindweed Y McLaughlin, S. (1992); UA Herbarium
Convolvulus equitans Gray bindweed   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Conyza bonariensis hairy fleabane; asthmaweek   Van Devender, T. R. (2005); UA Herbarium
Conyza canadensis horseweed fleabone, Canada horseweed   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Corallorhiza maculata     McLaughlin, S. (1992)
Corallorhiza striata     McLaughlin, S. (1992)
Corallorhiza wisteriana     McLaughlin, S. (1992)
Cordia parvifolia Smallleaf cordia   McLaughlin, S. (1992); UA Herbarium
Coreocarpus arizonicus Arizona coreocarpus   McLaughlin, S. (1992); UA Herbarium
Coriandrum sativum Chinese parsley Y McLaughlin, S. (1992); UA Herbarium
Cornus sericea ssp. stolonifera Redosier Dogwood   McLaughlin, S. (1992); UA Herbarium
Corydalis aurea Golden corydalis   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Corydalis aurea ssp. occidentalis Ownbey scrambled eggs   UA Herbarium, ASU Vascular Plant Herbarium
Coryphantha robustispina var. robustispina Pima pineapple cactus   McLaughlin, S. (1992); Van Devender, T. R. (2005); UA Herbarium, ASU Vascular Plant Herbarium
Coryphantha vivipara var. bisbeana Bisbee spinystar   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Cosmos parviflorus Sothwestern cosmos   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Cottea pappophoroides Cotta grass   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Cotula australis Australian waterbuttons Y Van Devender, T. R. (2005); UA Herbarium
Coursetia caribaea Anil falso   McLaughlin, S. (1992); Van Devender, T. R. (2005); UA Herbarium, ASU Vascular Plant Herbarium
Coursetia glandulosa Rosary babybonnets   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Crassula connata Sand pygmyweed   McLaughlin, S. (1992); Van Devender, T. R. (2005); UA Herbarium, ASU Vascular Plant Herbarium
Crossosoma bigelovii Ragged rock flower   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Crotalaria pumila Low Rattlebox   McLaughlin, S. (1992); Van Devender, T. R. (2005); UA Herbarium, ASU Vascular Plant Herbarium
Crotalaria sagittalis Arrowhead Rattlebox   McLaughlin, S. (1992); Van Devender, T. R. (2005);  UA Herbarium, ASU Vascular Plant Herbarium
Croton californicus California Croton   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Croton pottsii leatherweed croton   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Croton pottsii var. pottsii Leatherweed croton   UA Herbarium
Croton sonorae Sonoran croton   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Croton texensis Texas croton   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Crusea subulata Mountain saucerflower   McLaughlin, S. (1992); UA Herbarium
Cryptantha albida     McLaughlin, S. (1992); ASU Vascular Plant Herbarium
Cryptantha angustifolia Narrowleaf pick-me-not   McLaughlin, S. (1992); Van Devender, T. R. (2005); DBGH; UA Herbarium, ASU Vascular Plant Herbarium
Cryptantha barbigera Bearded catseye   McLaughlin, S. (1992); DBGH; ASU Vascular Plant Herbarium
Cryptantha crassisepala Thick-sepal catseye   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Cryptantha decipiens Gravel-bar catseye   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Cryptantha intermedia Clearwater cryptantha   ASU Vascular Plant Herbarium
Cryptantha jamesii James catseye   McLaughlin, S. (1992); UA Herbarium
Cryptantha maritima White-haired cryptantha, Guadalupe cryptantha   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Cryptantha micrantha Dwarf cryptantha, Purpleroot pick-me-not   McLaughlin, S. (1992); Van Devender, T. R. (2005); UA Herbarium, ASU Vascular Plant Herbarium
Cryptantha muricata Pointed catseye   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Cryptantha nevadensis Nevada cryptantha, Nevada catseye   McLaughlin, S. (1992); ASU Vascular Plant Herbarium
Cryptantha pterocarya Wingnut catseye   McLaughlin, S. (1992); Van Devender, T. R. (2005); DBGH; UA Herbarium, ASU Vascular Plant Herbarium
Cryptantha pusilla Low Catseye   McLaughlin, S. (1992); UA Herbarium
Cryptantha setosissima     McLaughlin, S. (1992)
Cucurbita digitata Fingerleaf gourd, coyote gourd   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Cucurbita foetidissima Buffalo fourd   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Cuphea wrightii Wrights waxweed   McLaughlin, S. (1992); UA Herbarium
Cupressus arizonica Arizona cypress   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Cuscuta applanata Gila River dodder   McLaughlin, S. (1992); UA Herbarium
Cuscuta californica California dodder   UA Herbarium
Cuscuta dentatasquamata Los pinitos dodder   McLaughlin, S. (1992); UA Herbarium
Cuscuta erosa Sonoran dodder   McLaughlin, S. (1992); UA Herbarium
Cuscuta gronovii Scaldweed   UA Herbarium
Cuscuta indecora Largeseed dodder   McLaughlin, S. (1992); UA Herbarium
Cuscuta odontolepis Santa Rita dodder   McLaughlin, S. (1992); UA Herbarium
Cuscuta pentagona var. pentagona Five angle dodder   McLaughlin, S. (1992); UA Herbarium
Cuscuta salina Saltmarsh dodder   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Cuscuta tuberculata Tubercle dodder   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Cuscuta umbellata var. reflexa Flat-globe dodder   Van Devender, T. R. (2005); UA Herbarium, ASU Vascular Plant Herbarium
Cuscuta umbellata var. umbellata Flat-globe dodder   Van Devender, T. R. (2005); UA Herbarium
Cyclanthera dissecta Cut-leaf cyclanthera   McLaughlin, S. (1992); UA Herbarium
Cylindropuntia acanthocarpa Buckhorn cholla   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Cylindropuntia arbuscula Pencil cholla   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Cylindropuntia bigelovii Teddybear cholla   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Cylindropuntia fulgida var. fulgida Chain fruit cholla   McLaughlin, S. (1992); Van Devender, T. R. (2005); UA Herbarium
Cylindropuntia fulgida var. mamillata     McLaughlin, S. (1992); Van Devender, T. R. (2005); UA Herbarium
Cylindropuntia imbricata     McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Cylindropuntia leptocaulis Desert Christmas cactus   McLaughlin, S. (1992); UA Herbarium
Cylindropuntia ramosissima Holycross cholla, Diamond cholla, Darning needle cholla, Pencil cacuts   McLaughlin, S. (1992)
Cylindropuntia spinosior     McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Cylindropuntia versicolor Deerhorn cholla, staghorn cholla   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Cylindropuntia xkelvinensis     Van Devender, T. R. (2005); UA Herbarium, ASU Vascular Plant Herbarium
Cylindropuntia xneoarbuscula     Van Devender, T. R. (2005); ASU Vascular Plant Herbarium
Cylindropuntia xtetracantha     McLaughlin, S. (1992); ASU Vascular Plant Herbarium
Cylindropuntia xvivipara     Van Devender, T. R. (2005); ASU Vascular Plant Herbarium
Cymopterus multinervatus Arizona springparsley   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Cynodon dactylon Bermuda grass Y McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Cynoglossum officinale Common houndstongue   Van Devender, T. R. (2005); UA Herbarium
Cyperus acuminatus (Michxi) Tapertip flatsedge   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Cyperus aggregatus Inflated scale flatsedge   UA Herbarium
Cyperus albomarginatus White-edge flatsedge   McLaughlin, S. (1992); UA Herbarium
Cyperus alternifolius Umbrella Plant   Van Devender, T. R. (2005); UA Herbarium, ASU Vascular Plant Herbarium
Cyperus aristatus Bearded flatsedge   McLaughlin, S. (1992); UA Herbarium
Cyperus erythrorhizos Redroot flatsedge   UA Herbarium
Cyperus esculentus Chufa flatsedge, yellow nutgrass   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Cyperus fendlerianus Fendler's flatsedge   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Cyperus hermaphroditus     McLaughlin, S. (1992)
Cyperus huarmensis     McLaughlin, S. (1992)
Cyperus laevigatus Smooth flatsedge   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Cyperus manimae Smoothstem flatsedge   McLaughlin, S. (1992); DBGH; UA Herbarium
Cyperus mutisii Mutis' flatsedge   McLaughlin, S. (1992)
Cyperus niger     McLaughlin, S. (1992)
Cyperus odoratus Fragrant flatsedge   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Cyperus pallidicolor Pallid flatsedge   UA Herbarium
Cyperus pringlei Mutis' flatsedge   McLaughlin, S. (1992); UA Herbarium
Cyperus retroflexus One-flower flatsedge   ASU Vascular Plant Herbarium
Cyperus rotundus Purple nutsedge Y McLaughlin, S. (1992); Van Devender, T. R. (2005); UA Herbarium, ASU Vascular Plant Herbarium
Cyperus rusbyi Rusby's flatsedge   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Cyperus squarrosus Bearded flatsedge   Van Devender, T. R. (2005); UA Herbarium, ASU Vascular Plant Herbarium
Cyperus strigosus Strawcolored flatsedge   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Cyperus tetragonus Fourangle flatsedge   ASU Vascular Plant Herbarium
Cyperus wrightii Wright's Flatsedge   McLaughlin, S. (1992); UA Herbarium
Cystopteris fragilis Brittle bladder fern   McLaughlin, S. (1992); UA Herbarium
Cystopteris reevesiana Reeve's bladderfern   UA Herbarium, ASU Vascular Plant Herbarium
Dactylis glomerata   Y McLaughlin, S. (1992)
Dactyloctenium aegyptium Crowfoot grass Y McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Dalea albiflora Whiteflower dalea (prairie clover)   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Dalea brachystachya Prairie clover   McLaughlin, S. (1992); UA Herbarium
Dalea candida Slender white prairie clover   McLaughlin, S. (1992); UA Herbarium
Dalea exigua Chihuahuan prairie clover   McLaughlin, S. (1992); UA Herbarium
Dalea filiformis Sonoran prairieclover   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Dalea formosa Feather plume   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Dalea grayi Gray's prairieclover   McLaughlin, S. (1992); UA Herbarium
Dalea greggii Gregg's prairieclover   McLaughlin, S. (1992); UA Herbarium
Dalea jamesii James' prairieclover   McLaughlin, S. (1992); UA Herbarium
Dalea lachnostachys Grandleaf prairieclover   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Dalea lemmoni     McLaughlin, S. (1992)
Dalea lumholtzii Lumholtz's prairieclover   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Dalea mollis Hairy prairieclover, Hairy indigo pea   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Dalea nana Dwarf dalea (prairieclover)   McLaughlin, S. (1992); UA Herbarium
Dalea nana var. carnescens Dwarf prairieclover   UA Herbarium, ASU Vascular Plant Herbarium
Dalea neomexicana Downy prairieclover   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Dalea pogonathera var. pogonathera Bearded prairieclover   McLaughlin, S. (1992); Van Devender, T. R. (2005); UA Herbarium, ASU Vascular Plant Herbarium
Dalea polygonoides Sixweeks prairieclover   McLaughlin, S. (1992); UA Herbarium
Dalea pringlei Pringlei's prairieclover   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Dalea pulchra Santa Catalina prairieclover   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Dalea purpurea Purple prairieclover   UA Herbarium
Dalea tentaculoides Gentry indigo bush   AGFD (April 1999); UA Herbarium
Dalea versicolor Oakwoods prairieclover   McLaughlin, S. (1992); ASU Vascular Plant Herbarium
Dalea wrightii Wright's prairieclover   McLaughlin, S. (1992); ASU Vascular Plant Herbarium
Dasylirion wheeleri Common sotol   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Datura discolor Desert thorn-apple, poisonous nightshade   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Datura inoxia     McLaughlin, S. (1992)
Datura meteloides     McLaughlin, S. (1992); ASU Vascular Plant Herbarium
Datura quercifolia Chinese thornapple   McLaughlin, S. (1992); UA Herbarium
Datura stramonium Jimsonweed Y McLaughlin, S. (1992); UA Herbarium
Datura wrightii Sacred thorn-apple   Van Devender, T. R. (2005); UA Herbarium, ASU Vascular Plant Herbarium
Daucus pusillus SW Wild carrot   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Delphinium andesicola     McLaughlin, S. (1992)
Delphinium geranifolium Clark Valley larkspur   ASU Vascular Plant Herbarium
Delphinium parishii ssp. parishii Parish Desert larkspur   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Delphinium scaposum Barestem larkspur   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Delphinium wootonii Organ Mtn. Larkspur   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Deschampsia elongata Slender hairgrass   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Descurainia obtusa ssp. adenophorum Tansy mustard   McLaughlin, S. (1992); Tom Van Devender
Descurainia pinnata Western tansy mustard   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Descurainia pinnata ssp. glabra Western tansy mustard   UA Herbarium
Descurainia pinnata ssp. halictorum Western tansy mustard   UA Herbarium
Descurainia pinnata ssp. ochroleuca Western tansy mustard   UA Herbarium
Descurainia pinnata ssp. paysonii Payson tansy mustard   ASU Vascular Plant Herbarium
Descurainia sophia Flaxweed tansy mustard Y McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Desmanthus cooleyi Bundleflower   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Desmanthus covillei. Coville's bundleflower   UA Herbarium, ASU Vascular Plant Herbarium
Desmanthus virgatus     McLaughlin, S. (1992)
Desmodium angustifolium Narrowleaf ticktrefoil   McLaughlin, S. (1992); UA Herbarium
Desmodium arizonicum Arizona ticktrefoil   McLaughlin, S. (1992); UA Herbarium
Desmodium batocaulon San Pedro ticktrefoil   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Desmodium cinerascens Spiked ticktrefoil   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Desmodium grahami Graham's ticktrefoil   McLaughlin, S. (1992); UA Herbarium
Desmodium neomexicanum New Mexico ticktrefoil   McLaughlin, S. (1992); UA Herbarium
Desmodium procumbens Western trailing ticktrefoil   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Desmodium psilocarpum Santa Cruz Island ticktrefoil   UA Herbarium, ASU Vascular Plant Herbarium
Desmodium psilophyllum Simpleleaf ticktrefoil   McLaughlin, S. (1992); UA Herbarium
Desmodium retinens Santa Rita Mtn. Ticktrefoil   McLaughlin, S. (1992); ASU Vascular Plant Herbarium
Desmodium rosei Rose's ticktrefoil   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Desmodium scopulorum Sonoran ticktrefoil   McLaughlin, S. (1992); ASU Vascular Plant Herbarium
Dichanthium annulatum     Van Devender, T. R. (2005)
Dichelostemma capitatum ssp. pauciflorum Blue dicks, covena, grassnuts   McLaughlin, S. (1992); Van Devender, T. R. (2005)
Dicliptera pseudoverticillaris Arizona foldwing   McLaughlin, S. (1992); UA Herbarium
Dicliptera resupinata Arizona foldwing   McLaughlin, S. (1992); DBGH; UA Herbarium, ASU Vascular Plant Herbarium
Digitaria californica Arizona cottontop   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Digitaria cilliaris Fingergrass; southern crab grass   UA Herbarium, ASU Vascular Plant Herbarium
Digitaria cognata Carolina cottontop   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Digitaria insularis Sourgrass   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Digitaria sanguinalis Hairy crabgrass Y McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Dimorphotheca aurantiaca   Y Van Devender, T. R. (2005)
Diodia teres Poor joe, Rough buttonweed   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Diplotaxis muralis Annual wallrocket Y McLaughlin, S. (1992); UA Herbarium
Diplotaxis tenuifolia Perennial wallrocket Y McLaughlin, S. (1992); UA Herbarium
Disporum trachycarpum Rough fruit fairybells   McLaughlin, S. (1992); UA Herbarium
Distichlis spicata Desert saltgrass   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Ditaxis lanceolata Narrowleaf silverbush   McLaughlin, S. (1992); Van Devender, T. R. (2005); UA Herbarium
Ditaxis neomexicana New Mexico silverbush   McLaughlin, S. (1992); Van Devender, T. R. (2005); UA Herbarium, ASU Vascular Plant Herbarium
Dithyrea californica Spectacle pod   McLaughlin, S. (1992)
Dodecatheon dentatum var. ellisiae Ellis White shooting star   McLaughlin, S. (1992); UA Herbarium
Dodonaea viscosa Hopbush   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Draba cuneifolia Wedge leaved draba (whitlowgrass)   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Draba cuneifolia var. integrifolia Wedge-leaved whitlowgrass   UA Herbarium, ASU Vascular Plant Herbarium
Draba cuneifolia var. sonorae Sonoran whitlowgrass   UA Herbarium
Draba helleriana Heller's whitlowgrass   McLaughlin, S. (1992); UA Herbarium
Draba helleriana var. bifurcata Heller's whitlowgrass   UA Herbarium
Draba petrophila Santa Rita Mtn. Whitlowgrass   McLaughlin, S. (1992); UA Herbarium
Draba platycarpa Broadpod whitlowgrass   UA Herbarium
Draba reptans     McLaughlin, S. (1992)
Drymaria effusa Pinewoods drymary   McLaughlin, S. (1992); UA Herbarium
Drymaria leptophylla Canyon drymary   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Drymaria molluginea     McLaughlin, S. (1992)
Dryopetalon runcinatum Rockmustard   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Dryopteris filix-mas Male fern   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Dugaldia hoopesii     McLaughlin, S. (1992)
Dyschoriste decumbens Spreading snakeherb   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Echinocactus horizonthalonius var. nicholii Nichol Turk's head cactus   McLaughlin, S. (1992); Van Devender, T. R. (2005); UA Herbarium, ASU Vascular Plant Herbarium
Echinocereus coccineus Scarlet hedgehog cactus   McLaughlin, S. (1992); Van Devender, T. R. (2005); UA Herbarium
Echinocereus engelmannii Engelmann hedge-hog   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Echinocereus fasciculatus Pinkflower hedgehog cactus   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Echinocereus fenderli var. ledingii Leding's hedgehog   UA Herbarium
Echinocereus fenderli var. rectispinus Right-angled spine hedgehog   UA Herbarium
Echinocereus fendleri Fendler hedge-hog cactus   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Echinocereus nicholii Nichol's hedgehog cactus   UA Herbarium, ASU Vascular Plant Herbarium
Echinocereus polyacanthus Mohave mound cactus   UA Herbarium, ASU Vascular Plant Herbarium
Echinocereus rigidissimus var. rigidissimus Rainbow hedgehod cactus   Van Devender, T. R. (2005); UA Herbarium, ASU Vascular Plant Herbarium
Echinocereus santaritensis     Van Devender, T. R. (2005)
Echinocereus triglochidiatus Claretcup hedgehog   UA Herbarium, ASU Vascular Plant Herbarium
Echinochloa colona Junglegrass; Jungle rice Y McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Echinochloa crusgalli Barnyard grass Y McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Echinochloa muricata var. microstachya Rough barnyard grass   UA Herbarium
Echinomastus erectocentrus var. acunensis Acuna cactus   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Echinomastus erectocentrus var. erectocentrus Needle-spined pineapple cactus   McLaughlin, S. (1992); Van Devender, T. R. (2005); UA Herbarium, ASU Vascular Plant Herbarium
Echinomastus intertextus var. intertextus     McLaughlin, S. (1992); Van Devender, T. R. (2005)
Echinopepon wrightii     McLaughlin, S. (1992)
Eclipta prostrata     McLaughlin, S. (1992)
Eleocharis caribaea     McLaughlin, S. (1992); UA Herbarium
Eleocharis erythropoda Bald spikerush   UA Herbarium
Eleocharis geniculata Canada spikesedge   UA Herbarium
Eleocharis montana Mountain spikerush   McLaughlin, S. (1992); UA Herbarium
Eleocharis montevidensis Sandspikerush   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Eleocharis palustris Common spikerush   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Eleocharis parishii Parish's spikerush   McLaughlin, S. (1992); UA Herbarium
Eleocharis quinqueflora Few flowered spikerush   ASU Vascular Plant Herbarium
Eleocharis radicans Rooted spikerush   McLaughlin, S. (1992); UA Herbarium
Eleocharis rostellata Beaked spikerush   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Eleusine indica Crowsfoot grass Y McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Elymus arizonicus Arizona wheatgrass   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Elymus canadensis Canada wildrye   McLaughlin, S. (1992); UA Herbarium
Elymus elymoides Western Bottlebrush grass   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Elymus glaucus Blue wildrye   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Elymus hispidus ssp. barbulatus Intermediate wheatgrass   Van Devender, T. R. (2005)
Elymus pauciflorus     McLaughlin, S. (1992)
Elymus smithii     McLaughlin, S. (1992)
Elymus trachycaulus Slender wheatgrass   UA Herbarium, ASU Vascular Plant Herbarium
Elymus triticoides Beardless wildrye   McLaughlin, S. (1992); UA Herbarium
Elyonurus barbiculmis     McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Elytraria imbricata Purple scalystem   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Emmenanthe spicatum ssp. penduliflora Water milfoil   McLaughlin, S. (1992); Van Devender, T. R. (2005)
Encelia farinosa White brittlebush   McLaughlin, S. (1992)
Encelia frutescens Rayless encelia   McLaughlin, S. (1992)
Enneapogon cenchroides     Van Devender, T. R. (2005); UA Herbarium
Enneapogon desvauxii Nine-awned pappus grass   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Enneapogon mollis   Y McLaughlin, S. (1992)
Ephedra aspera Aspera mormon tea   UA Herbarium, ASU Vascular Plant Herbarium
Ephedra fasciculata Desert mormon tea   UA Herbarium
Ephedra nevadensis Nevada Mormon tea   Van Devender, T. R. (2005)
Ephedra torreyana Torrey's mormon tea   UA Herbarium
Ephedra trifurca Longleaf Mormon Tea   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Epilobium californicum     McLaughlin, S. (1992)
Epilobium canum ssp. latifolium Hummingbird trumpet   McLaughlin, S. (1992); Van Devender, T. R. (2005); UA Herbarium
Epilobium ciliatum ssp. ciliatum Coast willowweed   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Epilobium foliosum California willowherb   UA Herbarium
Epipactis gigantea Giant hellebore   McLaughlin, S. (1992); UA Herbarium
Equisetum hyemale var. affine Scouring rush horsetail   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Equisetum laevigatum Smooth horsetail   McLaughlin, S. (1992); UA Herbarium
Equisetum x ferrissii Ferris' horsetail   UA Herbarium
Eragrostis arida     McLaughlin, S. (1992)
Eragrostis barrelieri Mediterranean lovegrass Y McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Eragrostis cilianensis Stinkgrass   McLaughlin, S. (1992); Van Devender, T. R. (2005); UA Herbarium, ASU Vascular Plant Herbarium
Eragrostis curvula Weeping lovegrass Y McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Eragrostis echinochloidea African lovegrass   Van Devender, T. R. (2005); UA Herbarium, ASU Vascular Plant Herbarium
Eragrostis intermedia Plains lovegrass   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Eragrostis lehmanniana Lehmann lovegrass Y McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Eragrostis lutescens Sixweeks lovegrass   UA Herbarium
Eragrostis mexicana Mexican lovegrass   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Eragrostis neomexicana     McLaughlin, S. (1992)
Eragrostis orcuttiana     McLaughlin, S. (1992)
Eragrostis pectinacea var. miserrima Desert lovegrass   McLaughlin, S. (1992); Van Devender, T. R. (2005); UA Herbarium, ASU Vascular Plant Herbarium
Eragrostis pectinacea var. pectinacea Purple lovegrass   McLaughlin, S. (1992); Van Devender, T. R. (2005); UA Herbarium, ASU Vascular Plant Herbarium
Eragrostis spectabilis     McLaughlin, S. (1992)
Eragrostis superba Wilman's lovegrass Y McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Eragrostis tephrosanthos     McLaughlin, S. (1992)
Eragrostis trichodes Sand lovegrass   UA Herbarium
Eremalche exilis White mallow   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Eriastrum diffusum Miniature woolstar   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Eriastrum eremicum Desert woolstar   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Ericameria cuneata Deset rock golden weed   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Ericameria laricifolia Turpentine bush   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Ericameria nauseosa ssp. atisquamea Goldenbush   McLaughlin, S. (1992); Van Devender, T. R. (2005); ASU Vascular Plant Herbarium
Erigeron arisolius Arid throne fleabane   Van Devender, T. R. (2005); UA Herbarium, ASU Vascular Plant Herbarium
Erigeron arizonicus Arizona fleabane   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Erigeron colomexicanus Running fleabane   Van Devender, T. R. (2005); UA Herbarium, ASU Vascular Plant Herbarium
Erigeron divergens Spreading fleabane   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Erigeron eximius Spruce-fir fleabane   McLaughlin, S. (1992)
Erigeron flagellaris Trailing fleabane   McLaughlin, S. (1992); UA Herbarium
Erigeron lobatus Lobed fleabane   McLaughlin, S. (1992); UA Herbarium
Erigeron neomexicanus New Mexico fleabane   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Erigeron nudiflorus     McLaughlin, S. (1992)
Erigeron oreophilus Chaparral fleabane   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Erigeron platyphyllus Broadleaf daisy   McLaughlin, S. (1992); UA Herbarium
Erigeron pumilus Shaggy fleabane   McLaughlin, S. (1992)
Erigeron rusbyi     McLaughlin, S. (1992)
Erigeron speciosus var. macranthus Aspen Fleabane   UA Herbarium
Eriochloa acuminata var. acuminata Southwestern cup grass   Van Devender, T. R. (2005); UA Herbarium, ASU Vascular Plant Herbarium
Eriochloa acuminata var. minor Tapertip cupgrass   UA Herbarium
Eriochloa aristata Awned cup grass   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Eriochloa contracta     McLaughlin, S. (1992)
Eriochloa lemmoni var. gracilis     McLaughlin, S. (1992); Van Devender, T. R. (2005)
Eriochloa lemmoni var. lemmoni     McLaughlin, S. (1992); Van Devender, T. R. (2005)
Eriodictyon angustifolium Narrowleaf yerba santa   McLaughlin, S. (1992); Van Devender, T. R. (2005); UA Herbarium
Eriogonum abertianum Abert's buckwheat   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Eriogonum deflexum var. deflexum Skeleton weed; Flatcrown buckwheat   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Eriogonum densum Sorrel buckwheat   McLaughlin, S. (1992); ASU Vascular Plant Herbarium
Eriogonum fasciculatum var. polifolium Flattop buckwheat   McLaughlin, S. (1992); Van Devender, T. R. (2005); UA Herbarium, ASU Vascular Plant Herbarium
Eriogonum inflatum var. deflatum Desert trumpet   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Eriogonum jamesii var. jamesii James' buckwheat   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Eriogonum maculatum Spotted buckwheat   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Eriogonum palmerianum Palmer's buckwheat   Van Devender, T. R. (2005); UA Herbarium, ASU Vascular Plant Herbarium
Eriogonum pharnaceoides Ginseng buckwheat   McLaughlin, S. (1992); UA Herbarium
Eriogonum polycladon Sorrel buckwheat   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Eriogonum pringlei Pringle's bastardsage   McLaughlin, S. (1992)
Eriogonum reniforme Kidneyleaf buckwheat   McLaughlin, S. (1992); UA Herbarium
Eriogonum terrenatum Wild buckwheat   ASU Vascular Plant Herbarium
Eriogonum thomasii Thomas' buckwheat   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Eriogonum thurberi Thurber's buckwheat   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Eriogonum trichopes Little desert trumpet   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Eriogonum wrightii Wright buckwheat   McLaughlin, S. (1992)
Erioneuron avenaceum Shortleaf woollygrass   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Erioneuron grandiflorum     McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Erioneuron pulchella Fluffgrass   McLaughlin, S. (1992); UA Herbarium
Eriophyllum lanosum White easterbonnets   Van Devender, T. R. (2005); UA Herbarium
Eriophyllum pringlei Pringle's woolly sunflower   McLaughlin, S. (1992); UA Herbarium
Erodium cicutarium Filaree Y McLaughlin, S. (1992)
Erodium texanum Bigflower stork's bill   McLaughlin, S. (1992); Van Devender, T. R. (2005)
Eruca vesicaria ssp. arugula Western wall flower Y Van Devender, T. R. (2005)
Eryngium heterophyllum Wright's eryngo   McLaughlin, S. (1992); UA Herbarium
Eryngium nasturtiifolium Hierba del sapo   UA Herbarium, ASU Vascular Plant Herbarium
Eryngium sparganophyllum Arizona eryngo   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Erysimum capitatum Sanddune wallflower   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Erysimum capitatum var. capitatum Western wallflower   UA Herbarium
Erysimum capitatum var. purshii Pursh's wallflower   UA Herbarium
Erythrina flabelliformis Coralbean   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Eschscholzia californica ssp. mexicana Mexican goldenpoppy   McLaughlin, S. (1992); Van Devender, T. R. (2005); DBGH; UA Herbarium, ASU Vascular Plant Herbarium
Eschscholzia minutiflora Pygmy golden poppy   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Escobaria vivipara var. arizonica Arizona pincushion cactus   UA Herbarium
Eucrypta chrysanthemifolia Common encrypta   UA Herbarium, ASU Vascular Plant Herbarium
Eucrypta chrysanthemifolia var. bipinnatifida Spotted encrypta   McLaughlin, S. (1992); Van Devender, T. R. (2005); UA Herbarium, ASU Vascular Plant Herbarium
Eucrypta micrantha Desert eucrypta   McLaughlin, S. (1992); Van Devender, T. R. (2005); DBGH; UA Herbarium, ASU Vascular Plant Herbarium
Eupatorium pycnocephalum Lavender thoroughwort   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Eupatorium rothrockii Rothrocks snakeroot   McLaughlin, S. (1992); UA Herbarium
Eupatorium solidaginifolium Shrubby thoroughwort   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Eupatorium sonorae Sonoran thoroughwort   UA Herbarium
Eupatorium wrightii Wright's snakeroot   McLaughlin, S. (1992); UA Herbarium
Euphorbia abramsiana Abram's sandmat   McLaughlin, S. (1992); Van Devender, T. R. (2005); UA Herbarium
Euphorbia albomarginata Rattlesnake weed   McLaughlin, S. (1992); Van Devender, T. R. (2005); UA Herbarium
Euphorbia alta Roughpod spurge   McLaughlin, S. (1992); UA Herbarium
Euphorbia arizonica Arizona spurge; Arizona sandmat   McLaughlin, S. (1992); Van Devender, T. R. (2005); UA Herbarium, ASU Vascular Plant Herbarium
Euphorbia brachycera Horned purge   McLaughlin, S. (1992); UA Herbarium
Euphorbia capitellata Head sandmat   McLaughlin, S. (1992); Van Devender, T. R. (2005); UA Herbarium, ASU Vascular Plant Herbarium
Euphorbia chamaesula Mountain spurge   McLaughlin, S. (1992); UA Herbarium
Euphorbia chamaesyce Prostrate spurge   McLaughlin, S. (1992); Van Devender, T. R. (2005); UA Herbarium
Euphorbia cuphosperma     UA Herbarium, ASU Vascular Plant Herbarium
Euphorbia cyathophora Fire on the mountain   ASU Vascular Plant Herbarium
Euphorbia dentata David's spurge   McLaughlin, S. (1992); Van Devender, T. R. (2005); DBGH
Euphorbia eriantha Desert pointsetta; Mexican pointsetta; beetlespurge   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Euphorbia exstipulata Squareseed spurge   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Euphorbia florida Chiricahua Mtn. Sandmat   McLaughlin, S. (1992); Van Devender, T. R. (2005); ASU Vascular Plant Herbarium
Euphorbia gracillima Mexican sandmat   McLaughlin, S. (1992); Van Devender, T. R. (2005); UA Herbarium, ASU Vascular Plant Herbarium
Euphorbia heterophylla Mexican fireplant   McLaughlin, S. (1992); Van Devender, T. R. (2005); DBGH; UA Herbarium, ASU Vascular Plant Herbarium
Euphorbia hirta var. hirta Pillpod sandmat   McLaughlin, S. (1992); Van Devender, T. R. (2005); UA Herbarium
Euphorbia hyssopifolia Leafy spurge   McLaughlin, S. (1992); Van Devender, T. R. (2005); DBGH; UA Herbarium
Euphorbia incisa var. mollis Mohave spurge   McLaughlin, S. (1992); UA Herbarium
Euphorbia indivisa Royal sandmat   McLaughlin, S. (1992); Van Devender, T. R. (2005); UA Herbarium
Euphorbia lurida Horned spurge   McLaughlin, S. (1992); UA Herbarium
Euphorbia melanadenia Squa sandmat   McLaughlin, S. (1992); Van Devender, T. R. (2005); UA Herbarium
Euphorbia micromera Desert spurge; Sonoran sandmat   McLaughlin, S. (1992); Van Devender, T. R. (2005); UA Herbarium, ASU Vascular Plant Herbarium
Euphorbia palmeri Woodland spurge   McLaughlin, S. (1992); ASU Vascular Plant Herbarium
Euphorbia parryi     McLaughlin, S. (1992); Wiens, J. (2005)
Euphorbia pediculifera var. pediculifera Carrizo Mtn. Sandmat   McLaughlin, S. (1992); Van Devender, T. R. (2005); UA Herbarium, ASU Vascular Plant Herbarium
Euphorbia peplus Petty spurge   UA Herbarium
Euphorbia polycarpa Desert spurge; small seed sandmat   McLaughlin, S. (1992); Van Devender, T. R. (2005); UA Herbarium
Euphorbia prostrata Prostrate sandmat   McLaughlin, S. (1992); Van Devender, T. R. (2005); UA Herbarium
Euphorbia radians Sun spurge   McLaughlin, S. (1992); Van Devender, T. R. (2005); UA Herbarium, ASU Vascular Plant Herbarium
Euphorbia revoluta Threadstem spurge   McLaughlin, S. (1992); Van Devender, T. R. (2005); DBGH; UA Herbarium
Euphorbia serpens Matted sandmat, serpentspurge   McLaughlin, S. (1992); ASU Vascular Plant Herbarium
Euphorbia serpyllifolia ssp. serpyllifolia Thymeleaf sandmat   McLaughlin, S. (1992); Van Devender, T. R. (2005); DBGH; UA Herbarium
Euphorbia serrula Sawtooth sandmat   McLaughlin, S. (1992); Van Devender, T. R. (2005); UA Herbarium
Euphorbia setiloba Bristle lobed sandmat; Yuma sandmat   McLaughlin, S. (1992); Van Devender, T. R. (2005); UA Herbarium, ASU Vascular Plant Herbarium
Euphorbia spathulata Roughpod spurge   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Euphorbia stictospora Slimseed sandmat   McLaughlin, S. (1992); Van Devender, T. R. (2005); UA Herbarium
Euphorbia trachysperma San Pedro River sandmat   McLaughlin, S. (1992); Van Devender, T. R. (2005); UA Herbarium
Euphorbia vermiculata Wormseed sandmat   McLaughlin, S. (1992); Van Devender, T. R. (2005); UA Herbarium
Euryops multifidus Hawk's eye Y McLaughlin, S. (1992); UA Herbarium
Eustoma exaltatum Catch Fly prairie gentian   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Evax multicaulis Rabbit tobacco   McLaughlin, S. (1992)
Evolvulus alsinoides Slender dwarf morning flory   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Evolvulus arizonicus Wild dwarf morning glory   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Evolvulus nuttallianus Shaggy dwarf morning glory   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Evolvulus sericeus Silver dwarf morning glory   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Eysenhardtia orthocarpa Tahitian Kidneywood   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Eysenhardtia polystachya Mexican kidneywood   ASU Vascular Plant Herbarium
Fagonia californica var. longipes California fagonbush   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Fagonia pachyacantha Stocky fagonbush   ASU Vascular Plant Herbarium
Fallugia paradoxa Apache plume   McLaughlin, S. (1992); UA Herbarium
Fendlera rupicola Cliff fendlerbush   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Fendlera wrightii Wright's fendlerbush   UA Herbarium
Fendlerella utahensis Utah fendlerbush   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Fendlerella utahensis var. cymosa Arizona fendlerella   UA Herbarium, ASU Vascular Plant Herbarium
Ferocactus cylindraceus Golden barrel cactus; California barrel cactus   McLaughlin, S. (1992); Van Devender, T. R. (2005); HDMS, AGFD; UA Herbarium, ASU Vascular Plant Herbarium
Ferocactus emoryi Emory's barrel cactus   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Ferocactus wislizeni Southwest barrel; Fishhook barrel   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Festuca arizonica Arizona fescue   McLaughlin, S. (1992); UA Herbarium
Festuca grayi     McLaughlin, S. (1992)
Festuca megalura     McLaughlin, S. (1992)
Festuca pacifica     McLaughlin, S. (1992)
Festuca rubra     McLaughlin, S. (1992)
Festuca sororia Ravine fescue   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Festuca trachyphylla Hard fescue   UA Herbarium
Filago arizonica Arizona cottonrose   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Filago californica California cottonrose   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Filago depressa Dwarf cottonrose   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Fimbristylis annua Annual fimbry   McLaughlin, S. (1992); UA Herbarium
Fimbristylis vahlii Vahl's fimbry   McLaughlin, S. (1992); UA Herbarium
Forestiera phillyrheoides Desert olive   McLaughlin, S. (1992); Van Devender, T. R. (2005); UA Herbarium, ASU Vascular Plant Herbarium
Fouquieria splendens Ocotillo, candlewood   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Fragaria vesca ssp. bracteata Woodland strawberry   UA Herbarium
Fragaria virginiana ssp. gauca Virginia strawberry   UA Herbarium
Fragaria virginica     McLaughlin, S. (1992)
Fragaria X ananassa var. cunefolia Hybrid strawberry   UA Herbarium
Frasera speciosa     McLaughlin, S. (1992)
Fraxinus pennsylvanica velutina Velvet ash   McLaughlin, S. (1992); Van Devender, T. R. (2005); UA Herbarium, ASU Vascular Plant Herbarium
Fraxlaus anomala Singleleaf ash   UA Herbarium
Froelichia arizonica Arizona snakecotton   McLaughlin, S. (1992); DBGH; UA Herbarium, ASU Vascular Plant Herbarium
Froelichia interrupta     McLaughlin, S. (1992); Van Devender, T. R. (2005)
Fumaria officinalis Drug fumitory   UA Herbarium
Fumaria parviflora fine leaf fumitory Y Van Devender, T. R. (2005); UA Herbarium, ASU Vascular Plant Herbarium
Funastrum crispum     McLaughlin, S. (1992); M. Fishbein, MISSA
Funastrum cynanchoides ssp. hartwegii Climbing milkweed   McLaughlin, S. (1992); M. Fishbein, MISSA
Funastrum heterophyllum     McLaughlin, S. (1992)
Gaillardia arizonica Arizona blanketflower   McLaughlin, S. (1992); DBGH; UA Herbarium, ASU Vascular Plant Herbarium
Gaillardia pinnatifida Red dome blanketflower   McLaughlin, S. (1992); DBGH; UA Herbarium, ASU Vascular Plant Herbarium
Gaillardia pulchella Firewheel   McLaughlin, S. (1992); DBGH; UA Herbarium
Galactia wrightii Wright's milkpea   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Galinsoga parviflora Gallant soldier   McLaughlin, S. (1992); UA Herbarium
Galium aparine Catchweed bedstraw Y McLaughlin, S. (1992); Van Devender, T. R. (2005); UA Herbarium, ASU Vascular Plant Herbarium
Galium asperrimum Mexican bedstraw   McLaughlin, S. (1992); Van Devender, T. R. (2005); UA Herbarium, ASU Vascular Plant Herbarium
Galium fendleri Fendler's bedstraw   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Galium mexicanum Mexican bedstraw   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Galium microphyllum Bracted bedstraw   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Galium proliferum Limestone bedstraw   McLaughlin, S. (1992); DBGH; UA Herbarium
Galium rothrockii     McLaughlin, S. (1992)
Galium stellatum var. eremicum Desert bedstraw   McLaughlin, S. (1992); Van Devender, T. R. (2005); UA Herbarium, ASU Vascular Plant Herbarium
Galium triflorum Fragrant bedstraw   McLaughlin, S. (1992); UA Herbarium
Galium wrightii Wright's bedstraw   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Gamochaeta pensylvanica Pennsylvania everlasting   UA Herbarium
Gamochaeta purpurea Spoonleaf purple everlasting   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Gamochaeta rosacea     Van Devender, T. R. (2005)
Gamochaeta stagnalis     McLaughlin, S. (1992)
Garrya wrightii Wright's silktassel   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Gastridium ventricosum   Y McLaughlin, S. (1992)
Gaura coccinea Scarlet beeblossom   McLaughlin, S. (1992); UA Herbarium
Gaura hexandra ssp. gracilis     McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Gaura parviflora Lizard tail; velvetweed   McLaughlin, S. (1992); Van Devender, T. R. (2005); UA Herbarium, ASU Vascular Plant Herbarium
Gentiana affinis Pleated gentian   McLaughlin, S. (1992); UA Herbarium
Gentianella microcalyx Chiricahua dwarf gentian   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Geraea canescens Desert sunflower   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Geranium caespitosum Purple cluster geranium   UA Herbarium
Geranium caespitosum var. eremophilum Purple cluster geranium   UA Herbarium, ASU Vascular Plant Herbarium
Geranium caespitosum var. fremontii Fremont's geranium   McLaughlin, S. (1992); DBGH; UA Herbarium, ASU Vascular Plant Herbarium
Geranium carolinianum Carolina geranium   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Geranium eremophilum Purple Cluster geranium   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Geranium richardsonii Richardson's geranium   McLaughlin, S. (1992); UA Herbarium
Gila latifolia Broadleaf gilia   ASU Vascular Plant Herbarium
Gila ophthalmoides Eyed gilia   UA Herbarium
Gila scopulorum Rock gilia   UA Herbarium
Gila splendens ssp. splendens Grand gilia   ASU Vascular Plant Herbarium
Gilia achilleaefolia     McLaughlin, S. (1992)
Gilia capitata bluehead gilia   Van Devender, T. R. (2005); UA Herbarium, ASU Vascular Plant Herbarium
Gilia capitata ssp. staminea Bluehead gilia   UA Herbarium, ASU Vascular Plant Herbarium
Gilia flavocincta ssp. australis Lesser yellow throat gilia   Van Devender, T. R. (2005); UA Herbarium, ASU Vascular Plant Herbarium
Gilia mexicana Annual gilia   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Gilia minor Little gilia   UA Herbarium
Gilia sinuata Rosy gilia   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Gilia stellata Star gily-flower; Star gilia   Van Devender, T. R. (2005); DBGH; UA Herbarium, ASU Vascular Plant Herbarium
Glandularia bipinnatifida var. bipinnatifida Dakota mock vervain   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Glandularia gooddingii var. nepetifolia Desert vervain   McLaughlin, S. (1992); Van Devender, T. R. (2005); UA Herbarium, ASU Vascular Plant Herbarium
Glandularia pulchella   Y McLaughlin, S. (1992)
Glandularia wrightii Wright verbena   ASU Vascular Plant Herbarium
Glinus radiatus Spreading sweetjuice   McLaughlin, S. (1992); Van Devender, T. R. (2005)
Glyceria borealis     McLaughlin, S. (1992)
Glyceria elata Fowl mannagrass   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Gnaphalium palustre lowland cudweed   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Gomphrena caespitosa     McLaughlin, S. (1992)
Gomphrena nitida Pearly globe amaranth   McLaughlin, S. (1992); DBGH
Gomphrena sonorae Sonoran globe amaranth   McLaughlin, S. (1992); DBGH
Gonolobus arizonicus Arizona milkrine   McLaughlin, S. (1992); UA Herbarium
Gonolobus ligulatum     McLaughlin, S. (1992)
Gossypium thurberi Wild cotton   McLaughlin, S. (1992); Van Devender, T. R. (2005)
Graptopetalum bartramii Bartram stonecrop; Patagonin leather petal   McLaughlin, S. (1992); UA Herbarium
Graptopetalum rusbyi San Francisco River leather petal   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Grusonia kunzei Devil's club cholla   McLaughlin, S. (1992)
Grusonia parishii     Van Devender, T. R. (2005)
Guardiola platyphylla Apache plant   McLaughlin, S. (1992); DBGH
Guilleminea densa Small matweed   McLaughlin, S. (1992); DBGH
Gutierrezia arizonica Arizona snakeweed   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Gutierrezia microcephala Sticky snakeweed; threadleaf snakeweed   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Gutierrezia sarothrae Matchweed; broom snakeweed   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Gutierrezia serotina Late snakeweed   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Gutierrezia wrightii Wright's snakeweed   McLaughlin, S. (1992); UA Herbarium
Gymnosperma glutinosum Gumhead   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Hackelia pinetorum Livermore stickseed   McLaughlin, S. (1992); UA Herbarium
Hackelia ursina Chihuahuan stickseed   McLaughlin, S. (1992); UA Herbarium
Hackelochloa granularis Pitscale grass   McLaughlin, S. (1992); UA Herbarium
Halimolobos diffusus     McLaughlin, S. (1992)
Haplophyton cimicridium var. crooksii Cockroach plant   McLaughlin, S. (1992); Van Devender, T. R. (2005); UA Herbarium, ASU Vascular Plant Herbarium
Harpagonella palmeri Palmer's grapplinghook   UA Herbarium, ASU Vascular Plant Herbarium
Harpagonella palmeri var. arizonica Arizona grappling hook   McLaughlin, S. (1992); Van Devender, T. R. (2005); UA Herbarium
Hedeoma dentatum Mock pennyroyal   McLaughlin, S. (1992); Van Devender, T. R. (2005); UA Herbarium, ASU Vascular Plant Herbarium
Hedeoma drummondii Drummond false pennyroyal   McLaughlin, S. (1992); UA Herbanium
Hedeoma hyssopifolium Mock pennyroyal   McLaughlin, S. (1992); Van Devender, T. R. (2005); UA Herbarium, ASU Vascular Plant Herbarium
Hedeoma nana ssp. macrocalyx Dwarf false pennyroyal   ASU Vascular Plant Herbarium
Hedeoma nanum Mock pennyroyal   McLaughlin, S. (1992); Van Devender, T. R. (2005); UA Herbarium, ASU Vascular Plant Herbarium
Hedeoma oblongifolia Mock pennyroyal   McLaughlin, S. (1992); Van Devender, T. R. (2005)
Hedyotis greenei Greene's starviolet   McLaughlin, S. (1992); UA Herbarium
Hedyotis pygmaea     McLaughlin, S. (1992); Van Devender, T. R. (2005)
Hedypnois cretica Cretanweed   Van Devender, T. R. (2005); UA Herbarium, ASU Vascular Plant Herbarium
Helenium thurberi Thurber's sneezeweed   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Helianthella quinquenervis Nodding dwarf sunflower   McLaughlin, S. (1992); UA Herbarium
Helianthus annuus Sunflower   McLaughlin, S. (1992); DBGH; UA Herbarium, ASU Vascular Plant Herbarium
Helianthus niveus Showy sunflower   McLaughlin, S. (1992); UA Herbarium
Helianthus petiolaris Prairie sunflower   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Heliomeris longifolia var. annua Annual goldeneye   UA Herbarium
Heliomeris longifolia var. longifolia Longleaf false goldeneye   UA Herbarium
Heliomeris multiflora var. multiflora Showy goldeneye   UA Herbarium
Heliopsis parvifolia Mountain oxeye   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Heliotropium curvassavicum Salt heliotrope   Van Devender, T. R. (2005); UA Herbarium, ASU Vascular Plant Herbarium
Heliotropium fruticosum Key West heliotrope   McLaughlin, S. (1992); DBGH; UA Herbarium
Hemicarpha micrantha small flower halfchaff sedge   McLaughlin, S. (1992); UA Herbarium
Hemizonia kelloggii Kellogg's tarweed Y McLaughlin, S. (1992); UA Herbarium
Hemizonia pungens Common tarweed   McLaughlin, S. (1992); UA Herbarium
Heracleum lanatum Common cowparsnip   McLaughlin, S. (1992); UA Herbarium
Herissantia crispa Bladdermallow   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Hermannia pauciflora Santa Catalina burstwort   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Herniaria hirsuta ssp. cinerea Hairy rupturewort   Van Devender, T. R. (2005); UA Herbarium
Hesperocallis undulata Desert lily, Ajo lily   McLaughlin, S. (1992)
Heteranthera limosa Blue mudplantain   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Heteropogon contortus Common tangleweed; tanglehead   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Heteropogon melanocarpus Sweet tanglehead   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Heterosperma pinnatum Wingpetal   McLaughlin, S. (1992); DBGH
Heterotheca fulcrata var. arizonica Arizona false goldenaster   ASU Vascular Plant Herbarium
Heterotheca fulcrata var. senilis Rockyscree falsegoldenaster   McLaughlin, S. (1992); ASU Vascular Plant Herbarium
Heterotheca grandiflora Telegraph weed   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Heterotheca rutteri Rutter's false goldenaster   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Heterotheca subaxillaris Camphorweed   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Heterotheca villosa var. minor Hairy False goldenaster   McLaughlin, S. (1992); UA Herbarium
Heuchera sanguinea Coralbells   McLaughlin, S. (1992); DBGH
Heuchera subescens var. versicolor Pink alumroot   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Hexalectris spicata Crested corral root   McLaughlin, S. (1992)
Hibiscus biseptus Arizona rosemallow   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Hibiscus coulteri Desert rose mallow   McLaughlin, S. (1992); Van Devender, T. R. (2005); UA Herbarium, ASU Vascular Plant Herbarium
Hibiscus denudatus Rock hibiscus; Desert hibiscus   McLaughlin, S. (1992); Van Devender, T. R. (2005); UA Herbarium, ASU Vascular Plant Herbarium
Hieracium carneum Huachuca hawkweed   McLaughlin, S. (1992); DBGH
Hieracium fendleri Yellow hawkweed   McLaughlin, S. (1992); DBGH
Hieracium lemmoni Lemmon's hawkweed   McLaughlin, S. (1992); DBGH
Hierochloe odorata     McLaughlin, S. (1992)
Hilaria belangeri Curly mesquite   McLaughlin, S. (1992); DBGH
Hoffmanseggia glauca     McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Holodiscus discolor Creambush oceanspray   UA Herbarium
Holodiscus dumosus Rockspirea; hillside oceanspray   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Hordeum arizonicum Arizona barley   McLaughlin, S. (1992); UA Herbarium
Hordeum brachyantherum     McLaughlin, S. (1992)
Hordeum bulbosum Bulbous barley   UA Herbarium
Hordeum geniculatum   Y McLaughlin, S. (1992)
Hordeum muriaum ssp. leporinum Leporinum barley Y McLaughlin, S. (1992); UA Herbarium
Hordeum murinum ssp. glaucum Wild barley Y McLaughlin, S. (1992); Van Devender, T. R. (2005); UA Herbarium, ASU Vascular Plant Herbarium
Hordeum pusillum Little barley   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Hordeum vulgare Common barley   UA Herbarium
Horsfordia newberryi Yellow felt plant   McLaughlin, S. (1992); Van Devender, T. R. (2005)
Humulus lupulus Arizona hops   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Hybanthus attenuatus Western greenviolet   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Hybanthus verticillatus Whorled nodding violet   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Hyculus setosus     Van Devender, T. R. (2005)
Hydrocotyle ranunculoides Floating marsh pennywort   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Hydrocotyle verticillata Whorled marsh pennywort   McLaughlin, S. (1992); UA Herbarium
Hymenoclea monogyra Slender burrobush   McLaughlin, S. (1992)
Hymenoclea salsola var. penlalepis Cheesebush   McLaughlin, S. (1992); Van Devender, T. R. (2005)
Hymenopappus filifolius var. lugens Yellow cutleaf   McLaughlin, S. (1992); UA Herbarium
Hymenopappus flavescens     McLaughlin, S. (1992)
Hymenopappus mexicanus Mexican woollywhite   McLaughlin, S. (1992); UA Herbarium
Hymenothrix loomisii Loomis' thimblehead   UA Herbarium
Hymenothrix wislizenii Trans-Pecos thimblehead   McLaughlin, S. (1992); DBGH; UA Herbarium, ASU Vascular Plant Herbarium
Hymenothrix wrightii Wright's thimblehead   McLaughlin, S. (1992); UA Herbarium
Hymenoxys cooperi Cooper's rubberweed   UA Herbarium, ASU Vascular Plant Herbarium
Hymenoxys hoopesii Orange sneezeweed   ASU Vascular Plant Herbarium
Hymenoxys odorata Bitterweed   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Hymenoxys quinquesquamata Rincon rubberweed   McLaughlin, S. (1992); UA Herbarium
Hypericum formosum     McLaughlin, S. (1992); UA Herbarium
Hypericum X moserianum St. Johnswort   UA Herbarium
Hyptis albida Desert lavender   McLaughlin, S. (1992); Van Devender, T. R. (2005)
Hyptis emoryi Desert lavender   DBGH
Imperata brevifolia California satintail   McLaughlin, S. (1992); UA Herbarium
Indigofera sphaerocarpa Sonoran indigobush   McLaughlin, S. (1992); UA Herbarium
Ipomoea barbatisepala Morning glory   McLaughlin, S. (1992)
Ipomoea costellata Crestrib morning glory   McLaughlin, S. (1992); DBGH
Ipomoea cristulata Scarlet morning glory; Trans-Pecos morning glory   Van Devender, T. R. (2005); DBGH
Ipomoea hederacea Morning glory   Van Devender, T. R. (2005)
Ipomoea hederifolia Morning glory   McLaughlin, S. (1992)
Ipomoea hirsutula Desert morning glory   McLaughlin, S. (1992); Wiens, J. (2005)
Ipomoea plummerae Huachuca morning glory   McLaughlin, S. (1992); DBGH
Ipomoea pubescens Morning glory   McLaughlin, S. (1992)
Ipomoea purpurea Morning glory   McLaughlin, S. (1992)
Ipomoea ternifolia var. leptotoma Morning glory   McLaughlin, S. (1992); Van Devender, T. R. (2005)
Ipomoea thurberi Morning glory   McLaughlin, S. (1992)
Ipomoea triloba Morning glory   McLaughlin, S. (1992)
Ipompopsis longiflora ssp. australis     McLaughlin, S. (1992)
Ipompopsis multiflora     McLaughlin, S. (1992)
Ipompopsis thurberi     McLaughlin, S. (1992)
Ipomposis tenuituba     McLaughlin, S. (1992)
Iresine heterophylla Standley's bloodleaf   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Isocoma acradenia var. acradenia Alkali golden weed   McLaughlin, S. (1992); Van Devender, T. R. (2005); ASU Vascular Plant Herbarium
Isocoma coronopifolia Common goldenbush   UA Herbarium
Isocoma plurifolia Southern golden bush   Guy Neson, BRIT (Van Devender, T. R. (2005)); ASU Vascular Plant Herbarium
Isocoma tenuisecta Burroweed   McLaughlin, S. (1992); DBGH; UA Herbarium, ASU Vascular Plant Herbarium
Iva ambrosiaefolia     McLaughlin, S. (1992); UA Herbarium
Iva xanthifolia Carelessweed, falseragweed   UA Herbarium
Jacquemontia agrestis Midnight blue clustervine   UA Herbarium
Jacquemontia palmeri     McLaughlin, S. (1992)
Jacquemontia pringlei Pringle's clustervine   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Jaltomata procumbens Creeping False holly   McLaughlin, S. (1992); UA Herbarium
Jamesia americana Fivepetal cliffbush   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Janusia gracilis Desert vine; slender januria   McLaughlin, S. (1992); Van Devender, T. R. (2005); UA Herbarium, ASU Vascular Plant Herbarium
Jatropha cardiophylla Sangre de cristo   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Jatropha cinerea Arizona nettlespurge   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Jatropha cuneata Limberbush   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Jatropha macrorhiza Ragged nettlespurge   McLaughlin, S. (1992); DBGH; UA Herbarium, ASU Vascular Plant Herbarium
Juglans major Arizona walnut   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Juncus acuminatus Tapertip rush   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Juncus arcticus mexicanus Artic rush   UA Herbarium
Juncus arcticus var. balticus Arctic rush   UA Herbarium
Juncus balticus Baltic rush   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Juncus balticus var. montanus Mountain rush   UA Herbarium, ASU Vascular Plant Herbarium
Juncus bufonius Toad rush   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Juncus confuses Colorado rush   DBGH; ASU Vascular Plant Herbarium
Juncus cooperi Cooper's rush   McLaughlin, S. (1992); UA Herbarium
Juncus dudleyi Dudley's rush   UA Herbarium
Juncus effusus Common rush   McLaughlin, S. (1992); UA Herbarium
Juncus ensifolius var. brunnescens Rocky Mtn. Rush   McLaughlin, S. (1992); Van Devender, T. R. (2005); UA Herbarium, ASU Vascular Plant Herbarium
Juncus interior Inland rush   McLaughlin, S. (1992); DBGH; UA Herbarium, ASU Vascular Plant Herbarium
Juncus longistylis Long-style rush   UA Herbarium
Juncus marginatus Grassleaf rush   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Juncus mexicanus Mexican rush   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Juncus sphaerocarpus     McLaughlin, S. (1992)
Juncus tenuis Field rush   McLaughlin, S. (1992); UA Herbarium
Juncus torreyi Torrey's rush   McLaughlin, S. (1992); DBGH; UA Herbarium, ASU Vascular Plant Herbarium
Juncus xiphioides Irisleaf rush   McLaughlin, S. (1992); UA Herbarium
Juniperus coahuilensis Redberry juniper   McLaughlin, S. (1992); Van Devender, T. R. (2005); DBGH
Juniperus deppeana Alligator bark juniper   McLaughlin, S. (1992)
Justicia californica Desert honeysuckle   McLaughlin, S. (1992)
Justicia candicans     McLaughlin, S. (1992); Van Devender, T. R. (2005)
Justicia longii     McLaughlin, S. (1992); Van Devender, T. R. (2005)
Kallstroemia californica California caltrop   McLaughlin, S. (1992); Van Devender, T. R. (2005); DBGH; UA Herbarium, ASU Vascular Plant Herbarium
Kallstroemia grandiflora Summer poppy; Arizona poppy   McLaughlin, S. (1992); Van Devender, T. R. (2005); DBGH; UA Herbarium, ASU Vascular Plant Herbarium
Kallstroemia hirsutissima Hairy caltrop   McLaughlin, S. (1992); ASU Vascular Plant Herbarium
Kallstroemia parviflora Warty caltrop   McLaughlin, S. (1992); DBGH; UA Herbarium, ASU Vascular Plant Herbarium
Keckiella antirrhinoides ssp. microphylla Snapdragon penstemon   McLaughlin, S. (1992); Van Devender, T. R. (2005); ASU Vascular Plant Herbarium
Kochia scoparia Summer Cypress Y Van Devender, T. R. (2005)
Koeberlinia spinosa Allthorn   McLaughlin, S. (1992); Van Devender, T. R. (2005)
Koeleria cristata Prairie Junegrass   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Krameria erecta Range ratany   McLaughlin, S. (1992); Van Devender, T. R. (2005)
Krameria grayi White ratany   McLaughlin, S. (1992); Van Devender, T. R. (2005)
Krameria lanceolata Trailing ratany   McLaughlin, S. (1992); DBGH
Lactuca graminifolia var. arizonica Arizona grassleaf lettuce   McLaughlin, S. (1992); DBGH
Lactuca ludoviciana Biannual lettuce   McLaughlin, S. (1992); DBGH
Lactuca serriola Prickly lettuce Y McLaughlin, S. (1992); DBGH
Laennecia coulteri Annual horsetail   McLaughlin, S. (1992); Van Devender, T. R. (2005); UA Herbarium, ASU Vascular Plant Herbarium
Laennecia schiedeana Pineland marshtail   McLaughlin, S. (1992); Van Devender, T. R. (2005); UA Herbarium, ASU Vascular Plant Herbarium
Laennecia sophiaefolia     McLaughlin, S. (1992); Van Devender, T. R. (2005)
Lagascea decipiens Doll's Lead   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Lamarckia aurea Goldentop grass Y McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Lamium amplexicaule Henbit Y McLaughlin, S. (1992); Van Devender, T. R. (2005)
Langloisia setosissima Bristly langloisia   McLaughlin, S. (1992)
Lantana camara Largeleaf lantana Y McLaughlin, S. (1992); Van Devender, T. R. (2005); UA Herbarium
Lantana urtcoides Western lantana   UA Herbarium
Lappula occidentalis var. occidentalis Stickweed; Flatspine stickseed   McLaughlin, S. (1992); Van Devender, T. R. (2005); UA Herbarium, ASU Vascular Plant Herbarium
Lappula texana Flatspine stickseed   Van Devender, T. R. (2005); UA Herbarium
Larrea divaricata ssp. tridentata Creosotebush   McLaughlin, S. (1992); Van Devender, T. R. (2005); DBGH
Lasianthaea podocephala San Pedro daisy   McLaughlin, S. (1992); Van Devender, T. R. (2005); DBGH
Lasthenia californica California goldfields   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Lasthenia chyrsostoma     Van Devender, T. R. (2005); UA Herbarium
Lathyrus graminifolius Grassleaf peavine   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Lathyrus laetivirens Aspen peavine   ASU Vascular Plant Herbarium
Lathyrus lanzwertii var. leucanthus Arizona peavine   McLaughlin, S. (1992); DBGH; UA Herbarium, ASU Vascular Plant Herbarium
Layia glandulosa White daisy tidytips   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Leersia oryzoides Rice cutgrass   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Leibnitzia lyrata Seeman's sunbonnets   UA Herbarium
Lemna aequinoctialis Lesser duckweed   McLaughlin, S. (1992); UA Herbarium
Lemna gibba Inflated duckweed   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Lemna minor Common duckweed   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Lemna minuscula Least duckweed   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Lemna valdiviana Pale duckweed   McLaughlin, S. (1992); UA Herbarium
Lepidium densiflorum Common pepperweed   UA Herbarium, ASU Vascular Plant Herbarium
Lepidium didymum Lesser swinecress Y Van Devender, T. R. (2005); ASU Vascular Plant Herbarium
Lepidium lasiocarpum Hairpod pepperweed   McLaughlin, S. (1992); DBGH; UA Herbarium, ASU Vascular Plant Herbarium
Lepidium oblongum Peppergrass Y McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Lepidium thurberi Thurber's pepperweed   McLaughlin, S. (1992); DBGH; UA Herbarium, ASU Vascular Plant Herbarium
Lepidium virginicum Peppergrass   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Lepidum virginicum var. medium Medium pepperweed   UA Herbarium
Lepidum virginicum var. pubescens Hairy pepperweed   UA Herbarium
Leptochloa dubia Green spangletop   McLaughlin, S. (1992); Van Devender, T. R. (2005); UA Herbarium, ASU Vascular Plant Herbarium
Leptochloa fasicularis Bearded spangletop   McLaughlin, S. (1992); Van Devender, T. R. (2005); UA Herbarium
Leptochloa fusca ssp. uninervia Mexican spangletop   Van Devender, T. R. (2005); UA Herbarium, ASU Vascular Plant Herbarium
Leptochloa panicea ssp. brachiata Red spangletop   Felger, R. and Rosen, P. C. (2004); Van Devender, T. R. (2005); UA Herbarium, ASU Vascular Plant Herbarium
Leptochloa panicea ssp. mucronata Mucronate spangletop   UA Herbarium
Leptochloa viscida Stick spangletop   McLaughlin, S. (1992); Van Devender, T. R. (2005); UA Herbarium, ASU Vascular Plant Herbarium
Leucophyllum frutescens Texas barometer bush   Van Devender, T. R. (2005); UA Herbarium, ASU Vascular Plant Herbarium
Leucospora intermedia var. intermedia     McLaughlin, S. (1992); Van Devender, T. R. (2005); UA Herbarium
Lilaeopsis schaffneriana var. recurva Huachuca water umbel   McLaughlin, S. (1992)
Linanthus aureus Golden desert trumpets   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Linanthus bigelovii Bigelow desert trumpet   McLaughlin, S. (1992); DBGH; UA Herbarium, ASU Vascular Plant Herbarium
Linanthus demissus Desertsnow   McLaughlin, S. (1992); UA Herbarium
Linanthus dichotomus Eveningsnow   ASU Vascular Plant Herbarium
Linanthus jonesii Jone's deserttrumpets   ASU Vascular Plant Herbarium
Linanthus nuttallii Nuttall's desert trumpets   McLaughlin, S. (1992); UA Herbarium
Linaria canadensis var. texana Texas toadflax   McLaughlin, S. (1992); Van Devender, T. R. (2005); DBGH; UA Herbarium
Linum aristatum Bristle flax   McLaughlin, S. (1992); UA Herbarium
Linum grandiflorum     McLaughlin, S. (1992); Van Devender, T. R. (2005)
Linum lewisii Blue flax   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Linum neomexicanum New Mexico yellow flax   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Linum puberulum Desert flax   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Linum usitatissimum     ASU Vascular Plant Herbarium
Listera convallarioides Broadleaf twayblade   McLaughlin, S. (1992)
Lithospermum cobrense Smooththroat stoneseed   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Lithospermum incisum Narrowleaf stoneseed   McLaughlin, S. (1992); UA Herbarium
Lithospermum multiflorum Manyflowered stoneseed   McLaughlin, S. (1992); DBGH; UA Herbarium
Lobelia anatina Apache lobelia   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Lobelia cardinalis Cardinal flower   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Lobelia fenestralis Fringeleaf lobelia   McLaughlin, S. (1992); UA Herbarium
Loeflingia squarrosa var. squarrosa Spreading pygmyleaf   McLaughlin, S. (1992); Van Devender, T. R. (2005); UA Herbarium
Loeselia glandulosa     McLaughlin, S. (1992)
Lolium perenne Perennial ryegrass Y McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Lolium perenne ssp. multiflorum Annual ryegrass Y McLaughlin, S. (1992); UA Herbarium
Lolium temulentum Darnel ryegrass Y McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Lomatium nevadense var. nevadense Nevada biscuitroot   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Lomatium nevadense var. parishii Parish's biscuitroot   UA Herbarium, ASU Vascular Plant Herbarium
Lonicera arizonica Arizona honeysuckle   McLaughlin, S. (1992); UA Herbarium
Lonicera interrupta Chaparral honeysuckle   McLaughlin, S. (1992); UA Herbarium
Lophocereus schottii Senita   McLaughlin, S. (1992)
Lotus bicolor     McLaughlin, S. (1992); Van Devender, T. R. (2005)
Lotus corniculatus Birdfoot deervetch   UA Herbarium
Lotus greenei Greene's birdsfoot trefoil   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Lotus humistratus Foothill deervetch   McLaughlin, S. (1992); DBGH; UA Herbarium, ASU Vascular Plant Herbarium
Lotus oroboides Common birdsfoot trefoil   McLaughlin, S. (1992); DBGH; UA Herbarium, ASU Vascular Plant Herbarium
Lotus rigidus Desert rock pea; Shrubby deervetch   McLaughlin, S. (1992); DBGH; UA Herbarium, ASU Vascular Plant Herbarium
Lotus salsuginosus var. brevivexillus Arizona maresfat   McLaughlin, S. (1992); Van Devender, T. R. (2005); DBGH; UA Herbarium, ASU Vascular Plant Herbarium
Lotus strigosus var. tomentellus Desert deervetch   McLaughlin, S. (1992); Van Devender, T. R. (2005); DBGH; UA Herbarium, ASU Vascular Plant Herbarium
Lotus wrightii Wright's deervetch   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Ludwigia palustris Marsh primrose-willow   McLaughlin, S. (1992); UA Herbarium
Ludwigia peploides Creeping primrose   UA Herbarium
Lupinus argenteus Silvery lupine   ASU Vascular Plant Herbarium
Lupinus arizonicus Arizona lupine   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Lupinus brevicaulis Shortstem lupine   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Lupinus concinnus Scarlet lupine   McLaughlin, S. (1992); DBGH; UA Herbarium, ASU Vascular Plant Herbarium
Lupinus concinnus ssp. orcutti Orcutt lupine   DBGH; UA Herbarium, ASU Vascular Plant Herbarium
Lupinus lemmonii     McLaughlin, S. (1992)
Lupinus palmeri Bluebonnet lupine   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Lupinus sparsiflorus Mohave lupine   McLaughlin, S. (1992); DBGH; UA Herbarium, ASU Vascular Plant Herbarium
Luzula campestris Field woodrush   McLaughlin, S. (1992); UA Herbarium
Luzula comora Pacific woodrush   ASU Vascular Plant Herbarium
Luzula multiflora Common woodrush   McLaughlin, S. (1992); UA Herbarium
Luzula parviflora Smallflower woodrush   UA Herbarium
Lycium andersonii Anderson thornbush, desert wolfberry; Anderson's wolfberry   McLaughlin, S. (1992); Van Devender, T. R. (2005); UA Herbarium, ASU Vascular Plant Herbarium
Lycium andersonii var. wrightii Wright's wolfberry   UA Herbarium, ASU Vascular Plant Herbarium
Lycium berlandieri var. longistylum Berlandier's wolfberry   McLaughlin, S. (1992); Van Devender, T. R. (2005); UA Herbarium, ASU Vascular Plant Herbarium
Lycium californicum California wolfberry   McLaughlin, S. (1992); UA Herbarium
Lycium exsertum Littleleaf wolfberry   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Lycium fremontii Fremont wolfberry   Van Devender, T. R. (2005); UA Herbarium, ASU Vascular Plant Herbarium
Lycium macrodon Desert wolfberry   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Lycium pallidum Pale wolfberry   McLaughlin, S. (1992); UA Herbarium
Lycium parishii Parish's desert thorn; Parish's wolfberry   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Lycium torreyi Torrey's wolfberry   McLaughlin, S. (1992); UA Herbarium
Lyrocarpa coulteri Coulter lyrepod   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Lysiloma watsonii Feather bush   McLaughlin, S. (1992); Van Devender, T. R. (2005)
Lythrum californicum California loosestrife   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Machaeranthera arida Arid tansyaster   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Machaeranthera asteroides var. asteroides New Mexico Tansyaster   Van Devender, T. R. (2005); UA Herbarium
Machaeranthera asteroides var. glandulosa Tansyaster   UA Herbarium
Machaeranthera bigelovii     McLaughlin, S. (1992)
Machaeranthera boltoniae     McLaughlin, S. (1992)
Machaeranthera canescens Hoary tansyaster   McLaughlin, S. (1992); UA Herbarium
Machaeranthera carnosa Shrubby alkali tansyaster   ASU Vascular Plant Herbarium
Machaeranthera cunescens var. incuna Hoary tansyaster   McLaughlin, S. (1992); UA Herbarium
Machaeranthera gracilis Slender goldenweed   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Machaeranthera parviflora Smallflower tansyaster   McLaughlin, S. (1992); ASU Vascular Plant Herbarium
Machaeranthera pinnatifida ssp. gooddingii Goodding's tansyaster   McLaughlin, S. (1992); Van Devender, T. R. (2005); DBGH; UA Herbarium, ASU Vascular Plant Herbarium
Machaeranthera tagetina Mesa Tansyaster   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Machaeranthera tanacetifolia Tansyleaf goldenweed   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Macromeria viridiflora Giant trumpets   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Macroptilium atropurpureum Purple bushbean   McLaughlin, S. (1992); UA Herbarium
Macroptilium gibbosifolium Wild bushbean   McLaughlin, S. (1992); DBGH; UA Herbarium, ASU Vascular Plant Herbarium
Macrosiphonia brachysiphon Huachuca Mtn. Rocktrumpet   McLaughlin, S. (1992); ASU Vascular Plant Herbarium
Maianthemum racemosum ssp. amplexicaule     UA Herbarium
Maianthemum racemosum ssp. racemosum False Solomon's seal   UA Herbarium
Maianthemum stellatum     UA Herbarium
Malacothrix californica var. glabrata Desert dandelion   McLaughlin, S. (1992); Van Devender, T. R. (2005); UA Herbarium
Malacothrix clevelandi Cleveland's desert dandelion   McLaughlin, S. (1992); UA Herbarium
Malacothrix coulteri Snakehead desert dandelion   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Malacothrix fendleri Fendler's desert dandelion   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Malacothrix glabrata Smooth desert dandelion   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Malacothrix sonorae Sonoran desert dandelion   Van Devender, T. R. (2005); UA Herbarium, ASU Vascular Plant Herbarium
Malacothrix stebbinsii Stebbin's desert dandelion   Van Devender, T. R. (2005); UA Herbarium, ASU Vascular Plant Herbarium
Malaxis corymbosa Madrean adders mouth   McLaughlin, S. (1992)
Malaxis ehrenbergii Ehrenberg's addersmouth orchid   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Malaxis macrostachya Chiricahua addersmouth orchid   McLaughlin, S. (1992); UA Herbarium
Malaxis tenuis Arizona addersmouth orchid   McLaughlin, S. (1992); UA Herbarium
Malva parviflora Cheeseweed mallow Y McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Malvastrum bicuspidatum Shrubby False mallow   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Malvella lepidota Scurfy mallow   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Malvella sagittifolia Arrowleaf mallow   ASU Vascular Plant Herbarium
Mammillaria grahamii var. grahamii Graham's pincushion cactus   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Mammillaria grahamii var. oliviae Olive pincushion cactus   UA Herbarium, ASU Vascular Plant Herbarium
Mammillaria heyderi var. macdougallii Macdougal's pincushion cactus   ASU Vascular Plant Herbarium
Mammillaria lasiacantha     McLaughlin, S. (1992); Van Devender, T. R. (2005)
Mammillaria macdougalii     McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Mammillaria mainiae Counter clockwise fishhook cactus   McLaughlin, S. (1992)
Mammillaria tetrancistra Fishhook pincushion cactus   McLaughlin, S. (1992); UA Herbarium
Mammillaria thornberi Thornber pincushion cactus   McLaughlin, S. (1992); DBGH; UA Herbarium, ASU Vascular Plant Herbarium
Mammillaria viridiflora Greenflower nipple cactus   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Mammillaria wrightii var. wilcoxii     McLaughlin, S. (1992); Van Devender, T. R. (2005)
Mammillaria wrightii var. wrightii     McLaughlin, S. (1992); Van Devender, T. R. (2005)
Manihot angustiloba Desert mountain manihot   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Manihot davisiae Arizona manihot   McLaughlin, S. (1992); UA Herbarium
Marah gilensis Wild cucumber   McLaughlin, S. (1992); DBGH
Margaranthus solanaceus Netted globe cherry   McLaughlin, S. (1992); UA Herbarium
Marina calycosa San Pedro false prairieclover   McLaughlin, S. (1992); UA Herbarium
Marina parryi Parry false prairieclover; Parry indigobush   McLaughlin, S. (1992); DBGH; UA Herbarium, ASU Vascular Plant Herbarium
Marrubium vulgare Horehound Y McLaughlin, S. (1992); Van Devender, T. R. (2005)
Marsilea mollis Chichuahuan waterclover   ASU Vascular Plant Herbarium
Marsilea mucronata     McLaughlin, S. (1992)
Marsilea vestita Hairy waterclover   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Matelea arizonica Arizona milkvine   ASU Vascular Plant Herbarium
Matelea cordifolia Sonoran milkvine   UA Herbarium
Matelea parvifolia Spearleaf, Talayote   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Matelea producta Texas milkvine   Van Devender, T. R. (2005); UA Herbarium
Matthiola bicornis Matthiola; Stock Y McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Maurandya antirrhiniflora ssp. antirrhiniflora Blue snapdragon vine   McLaughlin, S. (1992); Van Devender, T. R. (2005)
Mecardonia vandellioides Baby jumpup   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Medicago lupulina Black medick Y McLaughlin, S. (1992); Van Devender, T. R. (2005)
Medicago polymorpha var. vulgaris California burclover Y McLaughlin, S. (1992); Van Devender, T. R. (2005); UA Herbarium, ASU Vascular Plant Herbarium
Medicago sativa Alfalfa Y McLaughlin, S. (1992); Van Devender, T. R. (2005); UA Herbarium, ASU Vascular Plant Herbarium
Melampodium leucanthum Plains blackfoot   McLaughlin, S. (1992); DBGH
Melampodium longicorne Arizona blackfoot   McLaughlin, S. (1992); DBGH
Melampodium strigosum Shaggy blackfoot   McLaughlin, S. (1992); DBGH
Melia azedarach Chinaberry tree; white cedar   Van Devender, T. R. (2005); UA Herbarium
Melica frutescens Woody melicgrass   UA Herbarium, ASU Vascular Plant Herbarium
Melica porteri Porter's melicgrass   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Melilotus albus Yellow sweet clover Y McLaughlin, S. (1992); Van Devender, T. R. (2005); UA Herbarium
Melilotus indicus Annual yellow sweet clover Y McLaughlin, S. (1992); Van Devender, T. R. (2005); UA Herbarium, ASU Vascular Plant Herbarium
Melilotus officinalis Yellow sweet clover   McLaughlin, S. (1992); Van Devender, T. R. (2005); UA Herbarium
Melinis repens var. repens Rose Natal grass Y McLaughlin, S. (1992); Van Devender, T. R. (2005); DBGH
Menodora scabra Twinberry; rough meodora   McLaughlin, S. (1992); ASU Vascular Plant Herbarium
Menodora scoparia Twinberry   McLaughlin, S. (1992)
Mentha spicata Spearmint Y McLaughlin, S. (1992); Van Devender, T. R. (2005)
Mentzelia affinis Yellow comet; Hydra blazingstar   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Mentzelia albicaulis Whitestem blazingstar   McLaughlin, S. (1992); DBGH; UA Herbarium, ASU Vascular Plant Herbarium
Mentzelia aspera     McLaughlin, S. (1992)
Mentzelia asperula Organ Mtn. Blazingstar   McLaughlin, S. (1992); UA Herbarium
Mentzelia involucrata Whitebract blazingstar   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Mentzelia isolata Isolated blazingstar   UA Herbarium, ASU Vascular Plant Herbarium
Mentzelia jonesii Jone's blazingstar   McLaughlin, S. (1992); Van Devender, T. R. (2005); UA Herbarium, ASU Vascular Plant Herbarium
Mentzelia montana Variegated bract blazing star   UA Herbarium, ASU Vascular Plant Herbarium
Mentzelia multiflora Adonis blazingstar; Desert blazingstar   McLaughlin, S. (1992); Van Devender, T. R. (2005); UA Herbarium, ASU Vascular Plant Herbarium
Mentzelia nitens Shining blazingstar   McLaughlin, S. (1992); DBGH; UA Herbarium
Mentzelia oligosperma Chickenthief   ASU Vascular Plant Herbarium
Mentzelia oreophila Argus blazingstar   UA Herbarium
Mentzelia pumila     McLaughlin, S. (1992); UA Herbarium
Mentzelia texana     McLaughlin, S. (1992); Van Devender, T. R. (2005)
Metastelma arizonicum Arizona swallowwort   McLaughlin, S. (1992); UA Herbarium
Metastelma mexicanum Wiggins milkweed vine   AGFD (April 1999)
Microsteris gracilis Slender phlox   McLaughlin, S. (1992); UA Herbarium
Milla biflora Mexican star   McLaughlin, S. (1992); DBGH
Mimetanthe pilosa False monkey flower   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Mimosa aculeaticarpa var. biuncifera Wait-a-minute bush; Catclaw mimosa   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Mimosa distachya var. laxiflora Arizona mimosa   McLaughlin, S. (1992); Van Devender, T. R. (2005); UA Herbarium
Mimosa dysocarpa Velvetpod mimosa   McLaughlin, S. (1992); DBGH; Ajo Mtns.
Mimosa grahami Graham's mimosa   McLaughlin, S. (1992); UA Herbarium
Mimulus cardinalis Scarlet monkey flower   McLaughlin, S. (1992); UA Herbarium
Mimulus dentilobus     McLaughlin, S. (1992)
Mimulus floribundus Many Flowered monkey flower   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Mimulus glabratus Round leaf monkey flower   McLaughlin, S. (1992); Common monkeyflower
Mimulus guttatus Common monkeyflower   McLaughlin, S. (1992); DBGH
Mimulus nasutus Common monkeyflower   McLaughlin, S. (1992); UA Herbarium
Mimulus rubellus Little redstem monkeyflower   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Mirabilis albida White four o'clock   UA Herbarium, ASU Vascular Plant Herbarium
Mirabilis bigelovii Bigelow's four o'clock   UA Herbarium
Mirabilis coccinea Scarlet four o'clock   McLaughlin, S. (1992); DBGH; UA Herbarium, ASU Vascular Plant Herbarium
Mirabilis laevis var. villosa Weak-stem four o'clock   McLaughlin, S. (1992); Van Devender, T. R. (2005); UA Herbarium, ASU Vascular Plant Herbarium
Mirabilis linearis Narrowleaf four o'clock   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Mirabilis longiflora Longtube four o'clock   McLaughlin, S. (1992); DBGH; UA Herbarium, ASU Vascular Plant Herbarium
Mirabilis longiflora var. wrightiana Sweet four o'clock   UA Herbarium
Mirabilis multiflora Colorado four o'clock   McLaughlin, S. (1992); UA Herbarium
Mirabilis oblongifolia White four o'clock   McLaughlin, S. (1992); UA Herbarium
Mitracarpus breviflorus White girdlepod   UA Herbarium
Mitracarpus hirtus     McLaughlin, S. (1992); Van Devender, T. R. (2005)
Mollugo cerviana Threadstem carpetweed Y McLaughlin, S. (1992); Van Devender, T. R. (2005); UA Herbarium, ASU Vascular Plant Herbarium
Mollugo verticillata Green carpetweed   McLaughlin, S. (1992); Van Devender, T. R. (2005); DBGH; UA Herbarium, ASU Vascular Plant Herbarium
Molucella laevis     McLaughlin, S. (1992); Van Devender, T. R. (2005); UA Herbarium
Monarda citriodora ssp. austromontana Lemon beebalm   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Monarda fistulosa var. menthifolia Mintleaf beebalm   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Monarda pectinata Plain beebalm   Ua Herbarium
Monardella arizonica Arizona mint   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Monnina wrightii Blue pygmyflower   McLaughlin, S. (1992); UA Herbarium
Monolepis nuttallianus Poverty weed   McLaughlin, S. (1992)
Monoptilon bellioides Mohave desert star   McLaughlin, S. (1992); DBGH
Monotropa hipopithys Many Flowered Indian-pipe   McLaughlin, S. (1992); UA Herbarium
Mortonia scabrella Rio Grande saddlebush   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Mortonia sempervirens ssp. scabrella Rio Grande saddlebush   McLaughlin, S. (1992); Van Devender, T. R. (2005); UA Herbarium, ASU Vascular Plant Herbarium
Morus microphylla Texas mulberry   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Muhlenbergia appressa Spreading littleseed muhly   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Muhlenbergia arenacea     McLaughlin, S. (1992)
Muhlenbergia arenicola Sand muhly   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Muhlenbergia arizonica Arizona muhly   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Muhlenbergia asperifolia Alkali muhly   McLaughlin, S. (1992); UA Herbarium
Muhlenbergia dubioides Southwestern muhly   McLaughlin, S. (1992); UA Herbarium
Muhlenbergia dumosa Bamboo muhly   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Muhlenbergia emersleyi Bull muhly   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Muhlenbergia fragilis Delicate muhly   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Muhlenbergia longiligula Longtongue muhly   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Muhlenbergia microsperma Littleseed muhly   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Muhlenbergia minutissima Annual muhly   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Muhlenbergia montana Mountain muhly   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Muhlenbergia monticola Mesa muhly   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Muhlenbergia pauciflora New Mexico muhly   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Muhlenbergia pectinata Combtop muhly   McLaughlin, S. (1992); UA Herbarium
Muhlenbergia polycaulis Cliff muhly   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Muhlenbergia porteri Bush muhly   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Muhlenbergia racemosa Marsh muhly   McLaughlin, S. (1992); UA Herbarium
Muhlenbergia repens Creeping muhly; red muhly   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Muhlenbergia rigens Deer muhly; deergrass   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Muhlenbergia rigida Purple muhly   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Muhlenbergia sinuosa Marshland muhly   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Muhlenbergia texana Texas muhly   McLaughlin, S. (1992); UA Herbarium
Muhlenbergia virescens Screwleaf muhly   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Muhlenbergia wolfii Green muhly   McLaughlin, S. (1992); UA Herbarium
Muhlenbergia wrightii     McLaughlin, S. (1992)
Muhlenbergia xerophila Sycamore muhly   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Muhlenbergin gooddingii Goodding's muhly   UA Herbarium
Myosurus aristatus Bristly mousetail   McLaughlin, S. (1992); UA Herbarium
Myosurus cupulatus Arizona mousetail   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Myosurus minimus Tiny mousetail   McLaughlin, S. (1992); UA Herbarium
Myriophyllum aquaticum Parrot feather watermil foil   UA Herbarium
Myriophyllum exalbescens Shortspike watermilfoil   McLaughlin, S. (1992); UA Herbarium
Myriophyllum spicatum Spike watermilfoil   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Najas marina Holly-leaf waternymph   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Najas quadalupensis Guadalupe waternymph   UA Herbarium
Nama demissum Purple mat   McLaughlin, S. (1992); Van Devender, T. R. (2005); UA Herbarium, ASU Vascular Plant Herbarium
Nama dichotomum Wishbone fiddleleaf   McLaughlin, S. (1992); UA Herbarium
Nama hispidum Sandbells; bristly nama   McLaughlin, S. (1992); Van Devender, T. R. (2005); UA Herbarium, ASU Vascular Plant Herbarium
Nasturtium officinale Watercress Y McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Nicotiana glauca Tree tobacco Y McLaughlin, S. (1992); UA Herbarium
Nicotiana obtusifolia Desert tobacco, coyote tobacco   McLaughlin, S. (1992); Van Devender, T. R. (2005); DBGH; UA Herbarium, ASU Vascular Plant Herbarium
Nissolia schottii Schott's yellowhood   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Nitrophila occidentalis Boraxweed   McLaughlin, S. (1992); UA Herbarium
Nolina microcarpa Beargrass; sacahuista   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Notholaena aschenborniana     McLaughlin, S. (1992); Van Devender, T. R. (2005)
Notholaena californica California cloak fern   UA Herbarium
Notholaena grayi Gray's cloak fern   McLaughlin, S. (1992); Van Devender, T. R. (2005); UA Herbarium, ASU Vascular Plant Herbarium
Notholaena lemmonii var. lemmonii Lemmon cloak fern   McLaughlin, S. (1992); Van Devender, T. R. (2005); UA Herbarium
Notholaena standleyi Star cloakfern   McLaughlin, S. (1992); Van Devender, T. R. (2005); UA Herbarium, ASU Vascular Plant Herbarium
Nothoscordum Crowpoison   ASU Vascular Plant Herbarium
Nothoscordum texanum Texas false garlic   McLaughlin, S. (1992); UA Herbarium
Oenothera albicaulis Prairie evening primrose   McLaughlin, S. (1992); Van Devender, T. R. (2005); UA Herbarium, ASU Vascular Plant Herbarium
Oenothera arizonica Arizona evening primrose   Van Devender, T. R. (2005); UA Herbarium, ASU Vascular Plant Herbarium
Oenothera brachycarpa var. wrightii Shortfruit evening primrose   McLaughlin, S. (1992); UA Herbarium
Oenothera caespitosa Tufted desert primrose   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Oenothera californica ssp. arizonica California evening primrose   UA Herbarium
Oenothera deltoides ssp. deltoides Dune primrose; Birdcage primrose   McLaughlin, S. (1992); Van Devender, T. R. (2005); UA Herbarium, ASU Vascular Plant Herbarium
Oenothera elata ssp. hirsutissima Hooker's evening primrose   McLaughlin, S. (1992); Van Devender, T. R. (2005); UA Herbarium, ASU Vascular Plant Herbarium
Oenothera elata ssp. hookeri Hooker's evening primrose    
Oenothera flava ssp. flava Yellow evening primrose   McLaughlin, S. (1992); UA Herbarium
Oenothera laciniata var. pubescens Cutleaf evening primrose; silky evening primrose   McLaughlin, S. (1992); Van Devender, T. R. (2005); UA Herbarium
Oenothera mexicana Mexican evening primrose   UA Herbarium
Oenothera primiveris Yellow desert primrose; Desert evening primrose   McLaughlin, S. (1992); Van Devender, T. R. (2005); UA Herbarium, ASU Vascular Plant Herbarium
Oenothera rosea Rose sundrops; Rose evening primrose   McLaughlin, S. (1992); Van Devender, T. R. (2005); UA Herbarium, ASU Vascular Plant Herbarium
Oenothera speciosa Showy evening primrose   McLaughlin, S. (1992); Van Devender, T. R. (2005); UA Herbarium, ASU Vascular Plant Herbarium
Oligomeris linifolia Linear leaf combess   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Olneya tesota Desert ironwood   McLaughlin, S. (1992)
Oneothera pubescens      
Opuntia chlorotica Pancake pricklypear   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Opuntia engelmann var. linguiformis Tongue pricklypear   Van Devender, T. R. (2005); UA Herbarium
Opuntia engelmannii var. engelmannii Engelmann prickly pear   McLaughlin, S. (1992); Van Devender, T. R. (2005); DBGH; UA Herbarium, ASU Vascular Plant Herbarium
Opuntia engelmannii var. flavispina Cactus apple   Van Devender, T. R. (2005); ASU Vascular Plant Herbarium
Opuntia Kleiniae Candle cholla   UA Herbarium
Opuntia macrocentra Purple pricklypear cactus   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Opuntia macrorhiza var. macrorhiza Grassland pricklypear; Big Flower pricklypear   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Opuntia microdasys Pricklypear   Van Devender, T. R. (2005); UA Herbarium
Opuntia phaeacantha var. laevis Smooth pricklypear cactus   McLaughlin, S. (1992); ASU Vascular Plant Herbarium
Opuntia phaeacantha var. major Mohave prickly pear; Great pricklypear   McLaughlin, S. (1992); Van Devender, T. R. (2005); UA Herbarium, ASU Vascular Plant Herbarium
Opuntia santa-rita Santa Rita pricklypear   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Opuntia thornberi     McLaughlin, S. (1992)
Oreochrysum parryi Parry's goldenrod   UA Herbarium
Orobanche cooperi Desert broomrape   McLaughlin, S. (1992); Van Devender, T. R. (2005); UA Herbarium, ASU Vascular Plant Herbarium
Orobanche fasciculata Clustered broomrape   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Orobanche ludoviciana var. multiflora Manyflowered broomrape   McLaughlin, S. (1992); UA Herbarium
Oryzopsis coerulescens Rickegrass   UA Herbarium
Oryzopsis hymenoides     McLaughlin, S. (1992)
Oryzopsis micrantha     McLaughlin, S. (1992)
Osmorhiza chilensis Mountain sweetroot   McLaughlin, S. (1992); UA Herbarium
Osmorhiza depauperata Bluntseed sweetroot   McLaughlin, S. (1992); UA Herbarium
Oxalis albicans Radishroot woodsorrel   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Oxalis alpina Alpine woodsorrel   McLaughlin, S. (1992); UA Herbarium
Oxalis amplifolia Drummond's woodsorrel   McLaughlin, S. (1992); UA Herbarium
Oxalis corniculata Creeping woodsorrel   UA Herbarium
Oxalis decaphylla Ten-leaf woodsorrel   McLaughlin, S. (1992); UA Herbarium
Oxalis drummondii Durmmond's woodsorrel   ASU Vascular Plant Herbarium
Oxalis stricta Erect woodsorrel; yellow woodsorrel   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Palafoxia arida var. arida Spanish needles   Felger and Rosen, CDO Survey (5/14/04)
Panicum acuminatum Tapered rosette grass   McLaughlin, S. (1992); Van Devender, T. R. (2005); UA Herbarium
Panicum alatum var. minus Winged panicgrass   UA Herbarium, ASU Vascular Plant Herbarium
Panicum antidotale Blue panicgrass Y McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Panicum bulbosum Bulb panicgrass   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Panicum capillare Common panic grass   McLaughlin, S. (1992); DBGH; UA Herbarium, ASU Vascular Plant Herbarium
Panicum capillare var. pampinosum     McLaughlin, S. (1992)
Panicum fasciculatum     McLaughlin, S. (1992)
Panicum ghiesbreghtii Ghiesbreght's panicgrass   UA Herbarium, ASU Vascular Plant Herbarium
Panicum hallii Hall's panicgrass   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Panicum hirticaule var. hirticaule Mexican panicgrass   McLaughlin, S. (1992); Van Devender, T. R. (2005); UA Herbarium, ASU Vascular Plant Herbarium
Panicum hirticaule var. stramineum Sonoran panicgrass   UA Herbarium
Panicum lepidulum     McLaughlin, S. (1992)
Panicum miliaceum Broomcorn panic, wildmillet   UA Herbarium
Panicum obtusum Vine mesquite   McLaughlin, S. (1992); DBGH; UA Herbarium, ASU Vascular Plant Herbarium
Panicum oligosanthes var. scribnerianum Scribner's rosette grass   Van Devender, T. R. (2005); UA Herbarium
Panicum plenum     McLaughlin, S. (1992)
Panicum setaceum var. stramineum     McLaughlin, S. (1992); Van Devender, T. R. (2005)
Panicum tennesseense     McLaughlin, S. (1992)
Panicum texanum   Y McLaughlin, S. (1992)
Panicum virgatum Switchgrass   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Papaver rhoeas Flanders field poppy   Van Devender, T. R. (2005)
Pappophorum vaginatum Pima pappusgrass   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Parietaria floridana Rillita pellitory   McLaughlin, S. (1992); Van Devender, T. R. (2005); DBGH
Parietaria pensylvanica Pennsylvania pellitory   DBGH
Parkinsonia aculeata Mexican palo verde   McLaughlin, S. (1992); Van Devender, T. R. (2005)
Parkinsonia florida Blue palo verde   McLaughlin, S. (1992); Van Devender, T. R. (2005)
Parkinsonia microphylla Foothills palo verde   McLaughlin, S. (1992); Van Devender, T. R. (2005)
Parthenice mollis Annual monsterwort   Van Devender, T. R. (2005); UA Herbarium, ASU Vascular Plant Herbarium
Parthenium confertum Gray's feverfew   McLaughlin, S. (1992); UA Herbarium
Parthenium incanum Mariola   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Parthenocissus inserta American Ivy   McLaughlin, S. (1992); UA Herbarium
Parthenocissus vitacea Virginia creeper   UA Herbarium
Paspalum dilatatum Dallas grass Y McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Paspalum distichum Knotgrass   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Passiflora foetida var. arizonica Arizona passionflower   McLaughlin, S. (1992); Van Devender, T. R. (2005); UA Herbarium, ASU Vascular Plant Herbarium
Passiflora mexicana Mexican passionflower   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Pectis cylindrica Sonoran cinchweed   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Pectis filipes var. subnuda Fivebract cinchweed   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Pectis linifolia var. linifolia Narrowleaf lemmonweed   McLaughlin, S. (1992); Van Devender, T. R. (2005); UA Herbarium, ASU Vascular Plant Herbarium
Pectis longipes Longstalk cinchweed   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Pectis papposa var. papposa Manybristle Cinchweed   McLaughlin, S. (1992); Van Devender, T. R. (2005); UA Herbarium, ASU Vascular Plant Herbarium
Pectis prostrata Spreading cinchweed   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Pectis rusbyi Rusby's cinchweed   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Pectocarya heterocarpa Chuckwalla combseed   Van Devender, T. R. (2005); UA Herbarium, ASU Vascular Plant Herbarium
Pectocarya platycarpa Broadfruit combseed   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Pectocarya recurvata Archnut combbur; recurve combseed   McLaughlin, S. (1992); DBGH; UA Herbarium, ASU Vascular Plant Herbarium
Pectocarya setosa Bristly combseed   UA Herbarium
Pellaea atropurpurea Purple cliffbrake   McLaughlin, S. (1992); Van Devender, T. R. (2005); UA Herbarium
Pellaea intermedia Intermediate cliffbrake   UA Herbarium, ASU Vascular Plant Herbarium
Pellaea ternifolia var. wrightiana Spiny cliffbrake   McLaughlin, S. (1992); Van Devender, T. R. (2005); UA Herbarium, ASU Vascular Plant Herbarium
Pellaea truncata     McLaughlin, S. (1992); Van Devender, T. R. (2005)
Pellaea wrightiana Wright's cliffbrake   McLaughlin, S. (1992); Van Devender, T. R. (2005); UA Herbarium, ASU Vascular Plant Herbarium
Peniocereus greggii var. transmontanus Night blooming cereus   McLaughlin, S. (1992); Van Devender, T. R. (2005)
Peniocereus striatus Dahlia rooted cereus   McLaughlin, S. (1992); Van Devender, T. R. (2005); HDMS, AGFD
Pennellia longifolia     McLaughlin, S. (1992); UA Herbarium
Pennellia micrantha Mountain mock thelypody   McLaughlin, S. (1992); UA Herbarium
Pennisetum ciliare Buffelgrass Y Van Devender, T. R. (2005); UA Herbarium, ASU Vascular Plant Herbarium
Pennisetum setaceum Fountain grass Y McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Pennisetum villosum Feathertop Y McLaughlin, S. (1992); UA Herbarium
Penstemon ambigus Bush penstemon   Van Devender, T. R. (2005); UA Herbarium, ASU Vascular Plant Herbarium
Penstemon barbatus ssp. barbatus Beardlip penstemon   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Penstemon barbatus ssp. torreyi Torrey's penstemon   UA Herbarium, ASU Vascular Plant Herbarium
Penstemon dasyphyllus Purple pestemon   McLaughlin, S. (1992); UA Herbarium
Penstemon discolor Catalina beardtongue   McLaughlin, S. (1992); UA Herbarium
Penstemon linarioides Creeping penstemon   McLaughlin, S. (1992); UA Herbarium
Penstemon parryi Parry's beardtongue   McLaughlin, S. (1992); DBGH; UA Herbarium, ASU Vascular Plant Herbarium
Penstemon pseudospectabilis Desert penstemon   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Penstemon subulatus Hackberry beardtongue   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Penstemon thurberi Thurber's pensteman   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Pentagramma triangularis Western goldfern   McLaughlin, S. (1992); Van Devender, T. R. (2005); UA Herbarium, ASU Vascular Plant Herbarium
Pentagramma triangularis ssp. maxonii Maxon's goldfern   UA Herbarium
Pericome caudata Mountain leaftail   McLaughlin, S. (1992); DBGH
Perityle ajoensis Ajo rock daisy   AGFD (April 1999); UA Herbarium, ASU Vascular Plant Herbarium
Perityle coronopifolia Arizona Rock daisy   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Perityle emoryi Emory rock daisy   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Perityle lemmoni Lemmon's rock daisy   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Perityle microglossa     McLaughlin, S. (1992)
Petalonyx thurberi ssp. thurberi Thurber sandpaper plant   McLaughlin, S. (1992); Van Devender, T. R. (2005)
Petunia parviflora     McLaughlin, S. (1992)
Phacelia affinis Limestone scorpionweed   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Phacelia ambigua var. ambigua Notchleaf phacelia; Caterpillarweed   McLaughlin, S. (1992); Van Devender, T. R. (2005); UA Herbarium
Phacelia arizonica Arizona phacelia; Arizona scorpionweed   McLaughlin, S. (1992); Van Devender, T. R. (2005); UA Herbarium, ASU Vascular Plant Herbarium
Phacelia bombycina Mangas Spring scorpionweed   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Phacelia campanularia Desertbells   Van Devender, T. R. (2005); UA Herbarium
Phacelia coerulea Skyblue phacelia   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Phacelia congesta Bluecurls   McLaughlin, S. (1992); UA Herbarium
Phacelia cotundifolia Roundleaf scorpionweed   ASU Vascular Plant Herbarium
Phacelia crenulata Caterpillarweed   DBGH; UA Herbarium, ASU Vascular Plant Herbarium
Phacelia crenulata var. minutiflora Smallflower scorpionweed   UA Herbarium
Phacelia cryptantha Hidden-flower scorpionweed   UA Herbarium, ASU Vascular Plant Herbarium
Phacelia distans Distant scorpionweed   McLaughlin, S. (1992); DBGH; UA Herbarium, ASU Vascular Plant Herbarium
Phacelia heterophylla Variable-leaf scorpionweed   UA Herbarium, ASU Vascular Plant Herbarium
Phacelia ivesiana Ives' scorpionweed   ASU Vascular Plant Herbarium
Phacelia magellanica     McLaughlin, S. (1992)
Phacelia neglecta Alkali scorpionweed   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Phacelia pedicellata Pedicellate scorpionweed   UA Herbarium
Phacelia popei Pope's scorpionweed   UA Herbarium
Phacelia ramosissima Branched scorpionweed   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Phalaris caroliniana Carolina canarygrass   McLaughlin, S. (1992); DBGH
Phalaris minor Canary grass Y McLaughlin, S. (1992)
Phanerophlebia auriculata Eared veinfern   McLaughlin, S. (1992); UA Herbarium
Phaseolus acutifolius var. latifolius Tepary bean   McLaughlin, S. (1992); Van Devender, T. R. (2005); UA Herbarium
Phaseolus acutifolius var. tenuifolius Teparary bean   Van Devender, T. R. (2005); UA Herbarium, ASU Vascular Plant Herbarium
Phaseolus angustissimus Narrowleaf bean   McLaughlin, S. (1992); UA Herbarium
Phaseolus filiformis Slimjim bean   McLaughlin, S. (1992); Van Devender, T. R. (2005); UA Herbarium, ASU Vascular Plant Herbarium
Phaseolus grayanus Gray's bean   McLaughlin, S. (1992); UA Herbarium
Phaseolus maculatus Metcalf bean   UA Herbarium, ASU Vascular Plant Herbarium (ssp. Ritensis) (Jones) Freytng
Phaseolus parvulus Pinos Altos Mtn. Bean   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Phaseolus ritensis     McLaughlin, S. (1992)
Phaseolus wrightii     McLaughlin, S. (1992)
Philadelphas argenteus Silver mock orange   UA Herbarium
Philadelphas madrensis Desert Mtn. Mock orange   UA Herbarium
Philadelphus microphyllus Littleleaf mockorange   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Phleum pratense Common timothy Y McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Phlox austromontana Desert Mtn. Phlox   UA Herbarium
Phlox gracilis Slender phlox   Van Devender, T. R. (2005); UA Herbarium, ASU Vascular Plant Herbarium
Phlox longifolia     McLaughlin, S. (1992)
Phlox tenuifolia Santa Catalina Mtn. Phlox   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Pholistoma auritum Blue fiesta flower   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Pholistoma auritum var. arizonicum Arizona fiesta flower   UA Herbarium, ASU Vascular Plant Herbarium
Phoradendron bolleanum Bollean mistletoe   McLaughlin, S. (1992); Van Devender, T. R. (2005); UA Herbarium
Phoradendron californicum Desert mistletoe; mesquite mistletoe   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Phoradendron capitellatum Wooly mistletoe   UA Herbarium, ASU Vascular Plant Herbarium
Phoradendron juniperinum Juniper mistletoe   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Phoradendron serotinum ssp. macrophyllum mistletoe   McLaughlin, S. (1992); Van Devender, T. R. (2005); UA Herbarium
Phoradendron serotinum ssp. tomentosum mistletoe   Van Devender, T. R. (2005); UA Herbarium
Phoradendron villosum ssp. coryae Cory's mistletoe   McLaughlin, S. (1992); Van Devender, T. R. (2005); DBGH
Phragmites australis Common reed Y Van Devender, T. R. (2005); UA Herbarium
Phylla incisa   Y McLaughlin, S. (1992)
Phylla nodiflora   Y McLaughlin, S. (1992)
Physalis acutifolia Wright ground cherry   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Physalis angulata Cut-leaf groundcherry   DBGH; UA Herbarium, ASU Vascular Plant Herbarium
Physalis crassifolia var. crassifolia Thickleaf groundcherry   McLaughlin, S. (1992); Van Devender, T. R. (2005); UA Herbarium, ASU Vascular Plant Herbarium
Physalis crassifolia var. versicolor Yellow Nightshade groundcherry   UA Herbarium
Physalis hederifolia var. cordifolia     McLaughlin, S. (1992); Van Devender, T. R. (2005)
Physalis hederifolia var. fendleri Fendler's groundcherry   McLaughlin, S. (1992); DBGH; UA Herbarium, ASU Vascular Plant Herbarium
Physalis hederifolia var. hederifolia Ivyleaf grouncherry   UA Herbarium
Physalis heterophylla     McLaughlin, S. (1992)
Physalis latiphysa Broadleaf groundcherry    
Physalis lobata Purple ground cherry   McLaughlin, S. (1992); UA Herbarium
Physalis longifolia Longleaf ground cherry   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Physalis pubescens Groundcherry   McLaughlin, S. (1992); DBGH
Physalis versicolor     McLaughlin, S. (1992)
Physalis virginicum     McLaughlin, S. (1992)
Physaria gordoni Gordon bladderpod   McLaughlin, S. (1992); Van Devender, T. R. (2005)
Physaria purpurea     McLaughlin, S. (1992); Van Devender, T. R. (2005)
Physaria tenella Twinpod   Van Devender, T. R. (2005); DBGH; UA Herbarium, ASU Vascular Plant Herbarium
Pinaropappus roseus var. roseus White rocklettuce   McLaughlin, S. (1992); Van Devender, T. R. (2005); UA Herbarium
Pinus arizonica Arizona pine   McLaughlin, S. (1992); Van Devender, T. R. (2005); UA Herbarium
Pinus cembroides Mexican pinyon   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Pinus chihuahuana Chihuahua pine   McLaughlin, S. (1992); Van Devender, T. R. (2005); UA Herbarium, ASU Vascular Plant Herbarium
Pinus discolor Border pinyon   McLaughlin, S. (1992); UA Herbarium
Pinus flexilis Limber pine   ASU Vascular Plant Herbarium
Pinus ponderosa var. scopulorum Ponderosa Dine   McLaughlin, S. (1992); Van Devender, T. R. (2005); UA Herbarium, ASU Vascular Plant Herbarium
Pinus strobiformis Southwestern white pine   McLaughlin, S. (1992); UA Herbarium
Piptochaetium fimbriatum     McLaughlin, S. (1992)
Pisonia capitata Mexican devil's claws   McLaughlin, S. (1992); Van Devender, T. R. (2005); UA Herbarium, ASU Vascular Plant Herbarium
Plagiobothrys arizonicus Arizona popcorn-flower   McLaughlin, S. (1992); DBGH; UA Herbarium, ASU Vascular Plant Herbarium
Plagiobothrys collinus Cooper's popcornflower   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Plagiobothrys jonesii Mohave popcornflower   McLaughlin, S. (1992); UA Herbarium
Plagiobothrys pringlei Pringle's popcornflower   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Plagiobothrys tenellus Pacific popcornflower   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Plantago australis ssp. nirtella Mexican plantain   McLaughlin, S. (1992); UA Herbarium
Plantago heterophylla Many seed plantain   McLaughlin, S. (1992); Van Devender, T. R. (2005)
Plantago lanceolata Buckhorn plantain Y McLaughlin, S. (1992); Van Devender, T. R. (2005)
Plantago major Common plantain Y McLaughlin, S. (1992); Van Devender, T. R. (2005)
Plantago ovata Woolly plantain   McLaughlin, S. (1992); Van Devender, T. R. (2005); UA Herbarium, ASU Vascular Plant Herbarium
Plantago patagonica Indian wheat   McLaughlin, S. (1992)
Plantago rhodosperma Redseed plantain   McLaughlin, S. (1992); Van Devender, T. R. (2005)
Plantago virginica Paleseed plantain   McLaughlin, S. (1992); Van Devender, T. R. (2005)
Platanthera limosa Thurber's bog orchid   McLaughlin, S. (1992)
Platanus racemosa var. wrightii Arizona sycamore   McLaughlin, S. (1992); Van Devender, T. R. (2005); DBGH
Platystemon californicus California creamcups   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Plectritis ciliosa Longspur seablush   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Pleuraphis jamesii James' galleta   ASU Vascular Plant Herbarium
Pleuraphis mutica Tobosagrass   McLaughlin, S. (1992); Van Devender, T. R. (2005); UA Herbarium, ASU Vascular Plant Herbarium
Pleuraphis rigida Big galleta   McLaughlin, S. (1992); Van Devender, T. R. (2005); UA Herbarium, ASU Vascular Plant Herbarium
Pleurocoronis pluriseta Arrowleaf   McLaughlin, S. (1992); UA Herbarium
Plumbago scandens Doctorbush; Plumbago   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Poa annua Annual bluegrass Y McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Poa bigelovii Bigelow bluegrass   McLaughlin, S. (1992); DBGH; UA Herbarium, ASU Vascular Plant Herbarium
Poa fendleriana var. fendleriana muttongrass   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Poa fendleriana var. longiligula muttongrass   McLaughlin, S. (1992); ASU Vascular Plant Herbarium
Poa palustris Fowl bluegrass   UA Herbarium
Poa pratensis Kentucky bluegrass Y McLaughlin, S. (1992); UA Herbarium
Polanisia dodecandra ssp. traohysperma Western clammyweed   McLaughlin, S. (1992); Van Devender, T. R. (2005)
Polygala alba White milkwort   McLaughlin, S. (1992); UA Herbarium
Polygala barbeyana Blue milkwort   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Polygala hemipterocarpa     McLaughlin, S. (1992)
Polygala longa     McLaughlin, S. (1992)
Polygala macradenia Purple milkwort   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Polygala obscura Velvetseed milkwort   McLaughlin, S. (1992); DBGH; UA Herbarium, ASU Vascular Plant Herbarium
Polygala orthotricha Velvetseed milkwort   McLaughlin, S. (1992); Van Devender, T. R. (2005); UA Herbarium
Polygala scoparioides Broom milkwort   McLaughlin, S. (1992); ASU Vascular Plant Herbarium
Polygonum amphibium Water Knotweed   McLaughlin, S. (1992); UA Herbarium
Polygonum argyrocoleon Silversheath knotweed   UA Herbarium
Polygonum aviculare Prostrate Knotweed Y McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Polygonum convolvulus Black bindweed Y McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Polygonum douglasii ssp. johnstonii Johnston's Knotweed   McLaughlin, S. (1992); UA Herbarium
Polygonum fusiforme Spotted ladysthumb   McLaughlin, S. (1992); DBGH; UA Herbarium, ASU Vascular Plant Herbarium
Polygonum lapathifolium Curltop ladysthumb Y McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Polygonum pensylvanicum Pennsylvania Knotweed   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Polygonum persicaria Spotted ladythumb Y McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Polygonum punctatum Dotted smartweed   McLaughlin, S. (1992); UA Herbarium
Polypodium hesperium Western polypody   McLaughlin, S. (1992); UA Herbarium
Polypodium thyssanolepis Arizona Scaly polypody   McLaughlin, S. (1992); UA Herbarium
Polypodium vulgare     McLaughlin, S. (1992)
Polypogon elongatus Streambank rabbitsfoot grass   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Polypogon interruptus Ditch rabbitsfoot Y McLaughlin, S. (1992); UA Herbarium
Polypogon monspeliensis Annual rabbitfoot grass Y McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Polypogon viridis Beardless rabbitsfoot grass   UA Herbarium, ASU Vascular Plant Herbarium
Populus angustifolia Narrowleaf cottonwood   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Populus fremontii ssp. fremontii Desert cottonwood; Fremont's cottonwood   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Populus tremuloides Quaking aspen   McLaughlin, S. (1992); DBGH; UA Herbarium
Porophyllum gracile Slender poreleaf   McLaughlin, S. (1992); DBGH; UA Herbarium, ASU Vascular Plant Herbarium
Porophyllum ruderale ssp. macrocephalum Yerba prosa   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Portulaca halimoides Silkcotton purselane   UA Herbarium
Portulaca oleracea Common purslane Y McLaughlin, S. (1992); Van Devender, T. R. (2005); UA Herbarium
Portulaca pilosa Kiss-me-quick   McLaughlin, S. (1992); UA Herbarium
Portulaca suffrutescens Shrubby purslane   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Portulaca umbraticola Wingpod purslane   McLaughlin, S. (1992); DBGH; UA Herbarium, ASU Vascular Plant Herbarium
Potamogeton foliosus var. foliosus Leafy pondweed   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Potamogeton pectinatus Sago pondweed   McLaughlin, S. (1992); UA Herbarium
Potamogeton pusillus var. pusillus Small pondweed   UA Herbarium
Potentilla diversifolia     McLaughlin, S. (1992)
Potentilla rivalis     McLaughlin, S. (1992)
Potentilla subviscosa var. ramulosa Navajo cinquefoil   McLaughlin, S. (1992); UA Herbarium
Potentilla thurberi Scarlet cinquefoil   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Potentilla wheeleri Kern cinquefoil   McLaughlin, S. (1992); UA Herbarium
Prenanthella exigua Brightwhite; feeble prenanthela   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Primula rusbyi Rusby's primrose   McLaughlin, S. (1992); UA Herbarium
Proboscidea altheaefolia Devil's claw   McLaughlin, S. (1992)
Proboscidea parviflora ssp. parviflora Devil's claw   McLaughlin, S. (1992); Van Devender, T. R. (2005)
Prosopis glandulosa var. glandulosa Texas honey mesquite   McLaughlin, S. (1992); Van Devender, T. R. (2005)
Prosopis juliflora var. torreyana Honey mesquite   McLaughlin, S. (1992); Van Devender, T. R. (2005)
Prosopis pubescens Screwbean mesquite   McLaughlin, S. (1992)
Prosopis velutina Velvet mesquite   McLaughlin, S. (1992)
Prunella vulgaris Heal all   McLaughlin, S. (1992); Van Devender, T. R. (2005); DBGH
Prunus emarginata Bittercherry   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Prunus serotina ssp. virens Black cherry   McLaughlin, S. (1992); Van Devender, T. R. (2005); UA Herbarium, ASU Vascular Plant Herbarium
Prunus serotina var. rufula Southwestern chokecherry   UA Herbarium
Prunus viginiana var. demissa Western chokecherry   UA Herbarium
Psathyrostachys juncea Russian wildrye   UA Herbarium
Pseudocymopterus montanus Alpine false springparsley   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Pseudognaphalium arizonicum     McLaughlin, S. (1992)
Pseudognaphalium canescens Wright's cudweed   McLaughlin, S. (1992); Van Devender, T. R. (2005); DBGH; UA Herbarium, ASU Vascular Plant Herbarium
Pseudognaphalium leucocephalum White cudweed   McLaughlin, S. (1992); Van Devender, T. R. (2005); UA Herbarium, ASU Vascular Plant Herbarium
Pseudognaphalium pringlei Pringle's cudweed   McLaughlin, S. (1992); Van Devender, T. R. (2005); UA Herbarium
Pseudognaphalium stramineum Cotton cudweed   McLaughlin, S. (1992); DBGH; UA Herbarium, ASU Vascular Plant Herbarium
Pseudognaphalium viscosum     McLaughlin, S. (1992); Van Devender, T. R. (2005)
Pseudotsuga menziesii var. glauca Douglas fir   McLaughlin, S. (1992); Van Devender, T. R. (2005); UA Herbarium, ASU Vascular Plant Herbarium
Psilostrophe cooperi Paper flower   McLaughlin, S. (1992)
Psoralea tenuiflora var. floribunda Slimflower scurfpea   McLaughlin, S. (1992); DBGH
Psorothamnus spinosus Smoke tree   McLaughlin, S. (1992)
Psuedoabutilon thurberi Thurber Indian mallow   McLaughlin, S. (1992); Van Devender, T. R. (2005)
Ptelea trifoliata var. angustifolia Common hoptree   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Ptelea trifoliata var. cognata Pallid hoptree   UA Herbarium
Pteridium aquilinum var. pubescens Western brackenfern   McLaughlin, S. (1992); Van Devender, T. R. (2005); UA Herbarium, ASU Vascular Plant Herbarium
Pterospora andromeda     McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Pterostegia drymarioides Woodland threadstem   McLaughlin, S. (1992); DBGH
Purshia stansburiana Stansbury's cliffrose   Van Devender, T. R. (2005); DBGH; UA Herbarium, ASU Vascular Plant Herbarium
Pyrola chlorantha Green shinleaf, greenflowered wintergreen   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Pyrola elliptica Waxflower shinleaf   McLaughlin, S. (1992); ASU Vascular Plant Herbarium
Pyrola secunda Sidebells wintergreen   McLaughlin, S. (1992); UA Herbarium
Pyrrhopappus multicaulis     McLaughlin, S. (1992)
Quercus arizonica Arizona oak   McLaughlin, S. (1992); Van Devender, T. R. (2005)
Quercus chrysolepis Canyon live oak   McLaughlin, S. (1992); Van Devender, T. R. (2005)
Quercus emoryi Emory oak   McLaughlin, S. (1992); Van Devender, T. R. (2005)
Quercus gambelii Gambel oak   McLaughlin, S. (1992); Van Devender, T. R. (2005)
Quercus hypoleucoides Silverleaf oak   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Quercus oblongifolia Silverleaf oak   McLaughlin, S. (1992); Van Devender, T. R. (2005)
Quercus rugosa Mexican blue oak   McLaughlin, S. (1992); Van Devender, T. R. (2005)
Quercus turbinella var. ajoensis Ajo oak   McLaughlin, S. (1992); Van Devender, T. R. (2005)
Quercus turbinella var. turbinella Shrub live oak   McLaughlin, S. (1992); Van Devender, T. R. (2005)
Rafinesquia california California chicory   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Rafinesquia neomexicana Desert chicory   McLaughlin, S. (1992); DBGH; UA Herbarium, ASU Vascular Plant Herbarium
Rhamnus betulaefolia Birchleaf buckthorn   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Rhamnus californica var. ursina California buckthorn   McLaughlin, S. (1992); DBGH; UA Herbarium, ASU Vascular Plant Herbarium
Rhamnus crocea var. ilicifolia Hollyleaf buckthorn; Hollyleaf redberry   McLaughlin, S. (1992); Van Devender, T. R. (2005); UA Herbarium, ASU Vascular Plant Herbarium
Rhus aromatica Fragrant sumac   McLaughlin, S. (1992); Van Devender, T. R. (2005); UA Herbarium, ASU Vascular Plant Herbarium
Rhus glabra Smooth sumac   McLaughlin, S. (1992); UA Herbarium
Rhus lancea Sumac Y Van Devender, T. R. (2005); UA Herbarium
Rhus microphylla Littleleaf sumac   McLaughlin, S. (1992); UA Herbarium
Rhus radicans     McLaughlin, S. (1992); Van Devender, T. R. (2005)
Rhus trilobata Skunkbush sumac   UA Herbarium
Rhus trilobata var. pilosissima Pubescent squawbush, skunkbush sumac   UA Herbarium
Rhus trilobata var. trilobata Ill-scented sumac   UA Herbarium
Rhus virens var. choriophylla Evergreen sumac   McLaughlin, S. (1992); Van Devender, T. R. (2005); DBGH; UA Herbarium, ASU Vascular Plant Herbarium
Rhynchosia senna var. texana Texas snoutbean   McLaughlin, S. (1992); DBGH
Ribes aureum Golden currant   McLaughlin, S. (1992); UA Herbarium
Ribes pinetorum Orange gooseberry   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Ribes quercetorum Rock gooseberry   McLaughlin, S. (1992); UA Herbarium
Rivinia humilis     McLaughlin, S. (1992)
Robinia neomexicana New Mexican locust   McLaughlin, S. (1992); Van Devender, T. R. (2005)
Rosa woodsii var. ultramontana Wood's rose   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Rubus arizonensis Arizona blackberry   McLaughlin, S. (1992); UA Herbarium
Rubus neomexicanus New Mexico raspberry   McLaughlin, S. (1992); UA Herbarium
Rubus strigosus var. arizonicus Common red raspberry   McLaughlin, S. (1992); Van Devender, T. R. (2005); UA Herbarium, ASU Vascular Plant Herbarium
Rudbeckia laciniata Cutleaf coneflower   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Ruellia nudiflora Violet wild petuna   McLaughlin, S. (1992); DBGH
Rumex acetosella Common sheep sorrel Y McLaughlin, S. (1992); UA Herbarium
Rumex altissimus Pale dock; smooth dock   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Rumex californicus     McLaughlin, S. (1992)
Rumex conglomerates Clustered dock Y McLaughlin, S. (1992); UA Herbarium
Rumex crispus Curley dock Y McLaughlin, S. (1992); UA Herbarium
Rumex ellipticus     McLaughlin, S. (1992)
Rumex hymenosepalus Canaigre dock   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Rumex mexicanus     McLaughlin, S. (1992)
Rumex obtusifolius Bitter dock; bluntleaf dock Y McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Rumex violascens Violet dock Y McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Rynchosida physocalyx     McLaughlin, S. (1992)
Sageretia wrightii Wright's mock buckthorn   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Sagina decumbens ssp. occidentalis Western pearlwort   McLaughlin, S. (1992); UA Herbarium
Sagittaria greggii Long-barb arrowhead   McLaughlin, S. (1992); UA Herbarium
Sagittaria latifolia     McLaughlin, S. (1992); UA Herbarium
Salix amygdaloides Peach leaf willow   McLaughlin, S. (1992); UA Herbarium
Salix bonplandiana var. laevigata Red willow   McLaughlin, S. (1992); DBGH
Salix exigua Desert willow; narrowleaf willow   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Salix exilifolia     McLaughlin, S. (1992); Van Devender, T. R. (2005)
Salix gooddingii Goodding's willow   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Salix irrorata Bluestem willow; sandbar willow   McLaughlin, S. (1992); UA Herbarium
Salix lasiolepis Arroyo willow   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Salix scouleriana Scouler's willow   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Salix taxifolia Yewleaf willow   DBGH; UA Herbarium, ASU Vascular Plant Herbarium
Salsola ssp. tragus Prickly russian thistle    
Salsola tragus Russian thirtle; tumbleweed Y McLaughlin, S. (1992); Van Devender, T. R. (2005); UA Herbarium, ASU Vascular Plant Herbarium
Salvia amissa Aravaipa sage   McLaughlin, S. (1992)
Salvia arizonica Arizona sage   McLaughlin, S. (1992); UA Herbarium
Salvia columbariae Chia, Desert sage   McLaughlin, S. (1992); DBGH; UA Herbarium, ASU Vascular Plant Herbarium
Salvia henryi Crimson sage   McLaughlin, S. (1992); UA Herbarium
Salvia lemmoni Lemmon's sage   McLaughlin, S. (1992); ASU Vascular Plant Herbarium
Salvia parryi Parry's sage   McLaughlin, S. (1992); UA Herbarium
Salvia pinguifolia Rock sage   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Salvia reflexa Blue sage, lanceleaf sage   UA Herbarium, ASU Vascular Plant Herbarium
Salvia subincisa Sawtooth sage   McLaughlin, S. (1992); DBGH; UA Herbarium, ASU Vascular Plant Herbarium
Sambucus neomexicana     McLaughlin, S. (1992); UA Herbarium
Sambucus nigra ssp. canadensis Mexican elderberry   McLaughlin, S. (1992); UA Herbarium
Sambucus nigra ssp. cerulea Blue elderberry   McLaughlin, S. (1992); Van Devender, T. R. (2005); UA Herbarium, ASU Vascular Plant Herbarium
Sambucus racemosa var. racemosa Red elderberry   McLaughlin, S. (1992); UA Herbarium
Samolus vagans Chiricahua Mtn. Brookweed   McLaughlin, S. (1992); UA Herbarium
Samolus valerandi ssp. parviflorus Water brookweed   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Sanvitalia abertii Abert's creeping zinnia   McLaughlin, S. (1992); DBGH
Sapindus marginatus     McLaughlin, S. (1992); Van Devender, T. R. (2005)
Sapindus saponaria Wingleaf soapberry   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Sapindus saponaria var. drummondii Western soapberry   UA Herbarium
Sarcostemma cynanchoides ssp. Hartwegii Hartweg's twinevine   UA Herbarium
Saxifraga eriophora Redfuzz saxifrage   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Schismus arabicus Arabian grass Y McLaughlin, S. (1992)
Schismus barbatus Mediteranean grass Y McLaughlin, S. (1992)
Schizachyrium cirratum Texas bluestem   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Schizachyrium sanguineum var. hirtiflorum Crimson bluestem   McLaughlin, S. (1992); UA Herbarium
Schizachyrium scoparium     McLaughlin, S. (1992); ASU Vascular Plant Herbarium
Schkuhria wislizeni Wislezenus' fake threadleaf   McLaughlin, S. (1992); UA Herbarium
Schoenoplectus acutus var. acutus Tule bulrush, hardstem bulrush   UA Herbarium
Schoenoplectus americanus American bulrush   UA Herbarium
Schoenoplectus maritimus Cosmopolitan bulrush   UA Herbarium
Scirpus californicus California bulrush   McLaughlin, S. (1992); DBGH; UA Herbarium
Scirpus maritimus var. paludosus Cosmopolitan bulrush   Van Devender, T. R. (2005); UA Herbarium
Scirpus microcarpus Small fruit bulrush   McLaughlin, S. (1992); UA Herbarium
Scirpus olneyi American bulrush   McLaughlin, S. (1992); DBGH
Scirpus validus var. tabernaemontanii     McLaughlin, S. (1992)
Sclerocactus intertextus var. intertextus White fishhook cactus   UA Herbarium
Scleropogon brevifolius Burrograss   McLaughlin, S. (1992); Van Devender, T. R. (2005); UA Herbarium, ASU Vascular Plant Herbarium
Scrophularia parviflora Pineland figwort   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Scutellaria potosina var. tessellata Mexican skullcap   McLaughlin, S. (1992); Van Devender, T. R. (2005); UA Herbarium, ASU Vascular Plant Herbarium
Sebastiania bilocularis Arrow plant   McLaughlin, S. (1992); Van Devender, T. R. (2005)
Sedum griffithsii Cockerell's stonecrop   McLaughlin, S. (1992); DBGH
Selaginella arizonica Arizona spikemoss   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Selaginella eremophila Desert spikemoss   UA Herbarium
Selaginella rupincola Rockloving spikemoss   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Selaginella underwoodii var. doliotricha Underwood's spikemoss   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Senecio bigelovii Nodding ragwort   McLaughlin, S. (1992); DBGH; UA Herbarium, ASU Vascular Plant HerbariumUA Herbarium, ASU Vascular Plant Herbarium
Senecio eremophilus Desert groundsel   UA Herbarium
Senecio eremophilus var. macdougalii Macdougal's groundsel   UA Herbarium, ASU Vascular Plant Herbarium
Senecio flaccidus var. douglasii Douglas' groundsel   UA Herbarium, ASU Vascular Plant Herbarium
Senecio flaccidus var. flaccidus Threadleaf groundsel   McLaughlin, S. (1992); Van Devender, T. R. (2005); UA Herbarium, ASU Vascular Plant Herbarium
Senecio flaccidus var. monoensis Sandwash groundsel; Mono groundsel   Felger, R. and Rosen, P. C. (2004); UA Herbarium, ASU Vascular Plant Herbarium
Senecio hartwegii Hartweg's groundsel   McLaughlin, S. (1992); UA Herbarium
Senecio lemmoni Lemmon's groundsel   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Senecio mohavensis Mohave groundsel   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Senecio multidentatus var. huachucanus Huachuca Mtn. Ragwort   UA Herbarium
Senecio neomexicanus var. neomexicana New Mexico groundsel   McLaughlin, S. (1992); UA Herbarium
Senecio parryi Parry groundsel; mtn. Ragwort   McLaughlin, S. (1992); UA Herbarium
Senecio quercetorum Oak creek ragwort   McLaughlin, S. (1992); UA Herbarium
Senecio salignus Willow ragwort   McLaughlin, S. (1992); UA Herbarium
Senecio spartioides var. multicapitatus Broomlike ragwort   ASU Vascular Plant Herbarium
Senecio vulgaris Common Groundsel Y McLaughlin, S. (1992); DBGH; UA Herbarium, ASU Vascular Plant Herbarium
Senecio wootonii Wooton's groundwel   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Senna artemisioides ssp. filifolia Silver senna Y McLaughlin, S. (1992); Van Devender, T. R. (2005); UA Herbarium, ASU Vascular Plant Herbarium
Senna artemisioides ssp. petiolaris   Y McLaughlin, S. (1992); Van Devender, T. R. (2005); UA Herbarium
Senna bauhinioides Twinleaf senna   McLaughlin, S. (1992); UA Herbarium, ASU Vascular Plant Herbarium
Senna covesii Desert senna   McLaughlin, S. (1992); DBGH; UA Herbarium, ASU Vascular Plant Herbarium
Senna hirsuta var. glaberrima Woolly senna   McLaughlin, S. (1992); Van Devender, T. R. (2005); UA Herbarium, ASU Vascular Plant Herbarium
Senna wislizenii