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1410 Plants Found

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Ordered by scientific name.

Scientific Name	Common Name	†	Map‡
Abronia fragrans Nutt. ex Hook.	Snowball Sand Verbena
Acer glabrum Torr.	Rocky Mountain Maple
Acer negundo L.	Box Elder	✓
Acer saccharinum L.	Silver Maple	✓
Achillea millefolium L.	Common Yarrow
Achnatherum hymenoides (Roem. & Schult.) Barkworth	Indian Ricegrass
Achnatherum lettermanii (Vasey) Barkworth	Letterman's needlegrass
Achnatherum nelsonii (Scribn.) Barkworth	Columbia needlegrass
Achnatherum occidentale (Thurb.) Barkworth	Western Needlegrass
Achnatherum richardsonii (Link) Barkworth	Richardson's needlegrass
Achnatherum robustum (Vasey) Barkworth	sleepygrass
Acmispon americanus (Nutt.) Rydb.	American Bird's-Foot Trefoil
Aconitum columbianum Nutt.	Columbian monkshood
Actaea rubra (Aiton) Willd.	Red Baneberry
Adoxa moschatellina L.	muskroot
Agalinis aspera (Douglas ex Benth.) Britton	tall false foxglove
Agalinis tenuifolia (Vahl) Raf.	Slenderleaf False Foxglove
Agastache foeniculum (Pursh) Kuntze	Anise Hyssop
Agastache urticifolia (Benth.) Kuntze	nettleleaf giant hyssop
Agoseris aurantiaca (Hook.) Greene	orange agoseris
Agoseris glauca (Pursh) Raf.	pale agoseris
Agrimonia gryposepala Wallr.	tall hairy agrimony
Agrimonia striata Michx.	Roadside Agrimony
Agrostis exarata Trin.	spike bentgrass
Agrostis idahoensis Nash	Idaho bentgrass
Agrostis scabra Willd.	Rough Bentgrass
Agrostis variabilis Rydb.	mountain bentgrass
Alisma gramineum Lej.	narrowleaf water plantain
Alisma subcordatum Raf.	American Water Plantain
Alisma triviale Pursh	Northern Water Plantain
Allium brevistylum S. Watson	Shortstyle Onion
Allium canadense L.	Meadow Garlic
Allium cernuum Roth	Nodding Onion
Allium geyeri S. Watson	Geyer's onion
Allium perdulce S.V. Fraser	plains onion
Allium schoenoprasum L.	Chives
Allium stellatum Fraser ex Ker Gawl.	autumn onion
Allium textile A. Nelson & J.F. Macbr.	Textile Onion
Almutaster pauciflorus (Nutt.) Á. Löve & D. Löve	alkali marsh aster
Alnus incana (L.) Moench	Gray Alder
Alopecurus aequalis Sobol.	Shortawn Foxtail
Alopecurus carolinianus Walter	Carolina foxtail
Alopecurus magellanicus Lam.	Alpine Meadow-Foxtail
Amaranthus albus L.	Prostrate Pigweed
Amaranthus blitoides S. Watson	Mat Amaranth
Amaranthus californicus (Moq.) S. Watson	California amaranth
Amaranthus tuberculatus (Moq.) Sauer	Roughfruit Amaranth
Ambrosia psilostachya DC.	Cuman Ragweed
Ambrosia tomentosa Nutt.	Skeletonleaf Bur Ragweed
Ambrosia trifida L.	Giant Ragweed
Amelanchier alnifolia (Nutt.) Nutt. ex M. Roem.	Saskatoon serviceberry
Amelanchier humilis Wiegand	low serviceberry
Amelanchier utahensis Koehne	Utah serviceberry
Ammannia robusta Heer & Regel	grand redstem
Amorpha canescens Pursh	Lead Plant
Amorpha fruticosa L.	False Indigo Bush
Amorpha nana Nutt.	dwarf false indigo
Amphicarpaea bracteata (L.) Fernald	American Hogpeanut
Amsinckia menziesii (Lehm.) A. Nelson & J.F. Macbr.	Menzies' fiddleneck
Anaphalis margaritacea (L.) Benth.	Western Pearly Everlasting
Andropogon gerardii Vitman	Big Bluestem
Andropogon hallii Hack.	sand bluestem
Androsace chamaejasme Wulfen	Sweetflower Rockjasmine
Androsace filiformis Retz.	Filiform Rockjasmine
Androsace occidentalis Pursh	western rockjasmine
Androsace septentrionalis L.	pygmyflower rockjasmine
Anemone canadensis L.	Canadian anemone
Anemone caroliniana Walter	Carolina anemone
Anemone cylindrica A. Gray	Candle Anemone
Anemone lithophila Rydb.	Little Belt Mountain thimbleweed
Anemone multifida Poir.	Pacific Anemone
Anemone virginiana L.	Tall Thimbleweed
Angelica arguta Nutt.	Lyall's angelica
Antennaria anaphaloides Rydb.	pearly pussytoes
Antennaria aromatica Evert	scented pussytoes
Antennaria corymbosa E.E. Nelson	flat-top pussytoes
Antennaria dimorpha (Nutt.) Torr. & A. Gray	low pussytoes
Antennaria howellii Greene	Howell's pussytoes
Antennaria lanata (Hook.) Greene	woolly pussytoes
Antennaria media Greene	Rocky Mountain pussytoes
Antennaria microphylla Rydb.	littleleaf pussytoes
Antennaria neglecta Greene	Field Pussytoes
Antennaria parvifolia Nutt.	small-leaf pussytoes
Antennaria racemosa Hook.	raceme pussytoes
Antennaria rosea Greene	rosy pussytoes
Antennaria umbrinella Rydb.	umber pussytoes
Anticlea elegans (Pursh) Rydb.	Mountain Deathcamas
Apios americana Medik.	groundnut
Apocynum ×floribundum	Intermediate Dogbane
Apocynum androsaemifolium L.	Spreading Dogbane
Apocynum cannabinum L.	Common Dogbane
Aquilegia brevistyla Hook.	Smallflower Columbine
Aquilegia canadensis L.	Red Columbine	✓
Aquilegia flavescens S. Watson	yellow columbine
Aquilegia jonesii Parry	Jones' columbine
Arabis nuttallii B.L. Rob.	Nuttall's rockcress
Arabis pycnocarpa M.Hopkins	Slender Rock Cress
Aralia nudicaulis L.	wild sarsaparilla
Arceuthobium americanum Nutt. ex Engelm.	American dwarf mistletoe
Arceuthobium cyanocarpum (A. Nelson ex Rydb.) A. Nelson	Limber Pine Dwarf Mistletoe
Arctostaphylos uva-ursi (L.) Spreng.	Kinnikinnick
Argemone polyanthemos (Fedde) G.B. Ownbey	crested pricklypoppy
Argentina anserina (L.) Rydb.	Silverweed Cinquefoil
Aristida dichotoma Michx.	Churchmouse Threeawn
Aristida oligantha Michx.	Prairie Threeawn
Aristida purpurea Nutt.	Purple Threeawn
Arnica chamissonis Less.	Chamisso arnica
Arnica cordifolia Hook.	heartleaf arnica
Arnica fulgens Pursh	foothill arnica
Arnica gracilis Rydb.	smallhead arnica
Arnica latifolia Bong.	broadleaf arnica
Arnica lonchophylla Greene	longleaf arnica
Arnica longifolia D.C. Eaton	spearleaf arnica
Arnica mollis Hook.	hairy arnica
Arnica rydbergii Greene	Rydberg's arnica
Arnica sororia Greene	twin arnica
Artemisia campestris L.	field sagewort
Artemisia cana Pursh	silver sagebrush
Artemisia dracunculus L.	tarragon
Artemisia filifolia Torr.	sand sagebrush
Artemisia frigida Willd.	Fringed Sagebrush
Artemisia longifolia Nutt.	longleaf wormwood
Artemisia ludoviciana Nutt.	White Sagebrush
Artemisia michauxiana Besser	Michaux's wormwood
Artemisia nova A. Nelson	Black Sagebrush
Artemisia pedatifida Nutt.	Birdfoot Sagebrush
Artemisia scopulorum A. Gray	Alpine Sagebrush
Artemisia tridentata Nutt.	Big Sagebrush
Asclepias arenaria Torr.	sand milkweed
Asclepias incarnata L.	Swamp Milkweed
Asclepias lanuginosa Nutt.	sidecluster milkweed
Asclepias ovalifolia Decne.	oval-leaf milkweed
Asclepias pumila (A. Gray) Vail	plains milkweed
Asclepias speciosa Torr.	showy milkweed
Asclepias stenophylla A. Gray	Slimleaf Milkweed
Asclepias verticillata L.	Whorled Milkweed
Asclepias viridiflora Raf.	Green Comet Milkweed
Astragalus agrestis Douglas ex G. Don	purple milkvetch
Astragalus alpinus L.	alpine milkvetch
Astragalus americanus (Hook.) M.E. Jones	American milkvetch
Astragalus australis (L.) Lam.	Indian milkvetch
Astragalus barrii Barneby	Barr's Milkvetch
Astragalus bisulcatus (Hook.) A. Gray	twogrooved milkvetch
Astragalus bourgovii A. Gray	Bourgov's milkvetch
Astragalus canadensis L.	Canadian Milkvetch
Astragalus ceramicus Sheldon	painted milkvetch
Astragalus cibarius Sheldon	Browse Milkvetch
Astragalus crassicarpus Nutt.	groundplum milkvetch
Astragalus drummondii Douglas ex Hook.	Drummond's milkvetch
Astragalus eucosmus B.L. Rob.	elegant milkvetch
Astragalus flexuosus Douglas ex G. Don	flexile milkvetch
Astragalus geyeri A. Gray	Geyer's milkvetch
Astragalus gilviflorus Sheldon	plains milkvetch
Astragalus gracilis Nutt.	slender milkvetch
Astragalus grayi Parry ex S. Watson	Gray's Milkvetch
Astragalus hyalinus M.E. Jones	Summer Milkvetch
Astragalus kentrophyta A. Gray	Spiny Milkvetch
Astragalus laxmannii Jacq.	Laxmann's milkvetch
Astragalus lotiflorus Hook.	lotus milkvetch
Astragalus miser Douglas ex Hook.	timber milkvetch
Astragalus missouriensis Nutt.	Missouri Milkvetch
Astragalus pectinatus (Douglas ex Hook.) Douglas ex G. Don	narrowleaf milkvetch
Astragalus plattensis Nutt.	Platte River milkvetch
Astragalus purshii Douglas ex Hook.	woollypod milkvetch
Astragalus racemosus Pursh	cream milkvetch
Astragalus sericoleucus A. Gray	Silky Milkvetch
Astragalus simplicifolius (Nutt.) A. Gray	Little Bun Milkvetch
Astragalus spatulatus Sheldon	tufted milkvetch
Astragalus tenellus Pursh	Looseflower Milkvetch
Astragalus vexilliflexus Sheldon	bentflower milkvetch
Atriplex ×aptera A.Nelson	Moundscale
Atriplex argentea Nutt.	silverscale saltbush
Atriplex canescens (Pursh) Nutt.	Fourwing Saltbush
Atriplex confertifolia (Torr. & Frém.) S. Watson	Shadscale Saltbush
Atriplex dioica Raf.	Saline Saltbush
Atriplex gardneri (Moq.) D. Dietr.	Gardner's saltbush
Atriplex gardneri var. utahensis (M.E.Jones) Dorn	Basin Saltbush
Atriplex powellii S. Watson	Powell's saltweed
Avenula hookeri (Scribn.) Holub	spikeoat
Bacopa rotundifolia (Michx.) Wettst.	Disk Waterhyssop
Balsamorhiza incana Nutt.	hoary balsamroot
Balsamorhiza sagittata (Pursh) Nutt.	arrowleaf balsamroot
Barbarea orthoceras Ledeb.	American yellowrocket
Beckmannia syzigachne (Steud.) Fernald	American Sloughgrass
Bergia texana (Hook.) Seub. ex Walp.	Texas bergia
Berula erecta (Huds.) Coville	cutleaf waterparsnip
Besseya wyomingensis (A. Nelson) Rydb.	Wyoming besseya
Betula glandulosa Michx.	Resin Birch
Betula occidentalis Hook.	Water Birch
Betula papyrifera Marshall	Paper Birch	✓
Bidens cernua L.	Nodding Beggartick
Bidens coronata (L.) Britton	Crowned Beggarticks
Bidens frondosa L.	Devil's Beggartick
Bidens tripartita L.	Threelobe Beggarticks
Bidens vulgata Greene	big devils beggartick
Bistorta bistortoides (Pursh) Small	American Bistort
Bistorta vivipara (L.) Delarbre	Alpine Bistort
Blitum capitatum L.	Blite Goosefoot
Blitum nuttallianum Schult.	Nuttall's Povertyweed
Boechera divaricarpa (A.Nelson) Á.Löve & D.Löve	Spreadingpod Rockcress
Boechera drummondii (A.Gray) Á.Löve & D.Löve	Drummond's Rockcress
Bolboschoenus fluviatilis (Torr.) Soják	River Bulrush
Bolboschoenus maritimus (L.) Palla	Cosmopolitan Bulrush
Botrychium lunaria (L.) Sw.	common moonwort
Botrychium virginianum (L.) Sw.	Rattlesnake Fern
Bouteloua curtipendula (Michx.) Torr.	Side-oats Grama
Bouteloua dactyloides (Nutt.) J.T. Columbus	Buffalo Grass
Bouteloua gracilis (Willd. ex Kunth) Lag. ex Griffiths	Blue Grama
Bouteloua hirsuta Lag.	hairy grama
Brickellia eupatorioides (L.) Shinners	False Boneset
Brickellia grandiflora (Hook.) Nutt.	tasselflower brickellbush
Bromus carinatus Hook. & Arn.	California brome
Bromus ciliatus L.	Fringed Brome
Bromus latiglumis (Shear) Hitchc.	earlyleaf brome
Bromus marginatus Nees ex Steud.	Mountain Brome
Bromus porteri (J.M. Coult.) Nash	Porter brome
Bromus pubescens Muhl. ex Willd.	Hairy Woodland Brome
Bupleurum americanum J.M. Coult. & Rose	American thorow wax
Calamagrostis canadensis (Michx.) P. Beauv.	Bluejoint
Calamagrostis montanensis Scribn. ex Vasey	plains reedgrass
Calamagrostis purpurascens R. Br.	purple reedgrass
Calamagrostis rubescens Buckley	Pinegrass
Calamagrostis stricta (Timm) Koeler	slimstem reedgrass
Calamovilfa longifolia (Hook.) Scribn.	Prairie Sandreed
Callitriche hermaphroditica L.	northern water-starwort
Callitriche heterophylla Pursh	twoheaded water-starwort
Callitriche palustris L.	Vernal Water-starwort
Calochortus gunnisonii S. Watson	Gunnison's Mariposa Lily
Calochortus nuttallii Torr. & A. Gray	Sego Lily
Caltha leptosepala DC.	White Marsh Marigold
Calypso bulbosa (L.) Oakes	fairy slipper
Calystegia sepium (L.) R. Br.	hedge false bindweed
Campanula aparinoides Pursh	marsh bellflower
Campanula rotundifolia L.	Bluebell Bellflower
Cardamine breweri S. Watson	Brewer's Bittercress
Cardamine pensylvanica Muhl. ex Willd.	Pennsylvania bittercress
Carex albonigra Mack.	blackandwhite sedge
Carex aquatilis Wahlenb.	Water Sedge
Carex assiniboinensis W. Boott	Assiniboia sedge
Carex atherodes Spreng.	Wheat Sedge
Carex athrostachya Olney	Slenderbeak Sedge
Carex aurea Nutt.	golden sedge
Carex bebbii Olney ex Fernald	Bebb's sedge
Carex blanda Dewey	Eastern Woodland Sedge
Carex bolanderi Olney	Bolander's sedge
Carex brevior (Dewey) Mack.	shortbeak sedge
Carex brunnescens (Pers.) Poir.	brownish sedge
Carex buxbaumii Wahlenb.	Buxbaum's sedge
Carex canescens L.	silvery sedge
Carex capillaris L.	hair-like sedge
Carex comosa Boott	longhair sedge
Carex concinna R. Br.	low northern sedge
Carex crawei Dewey	Crawe's sedge
Carex cristatella Britton	crested sedge
Carex deweyana Schwein.	Dewey sedge
Carex disperma Dewey	Softleaf Sedge
Carex douglasii Boott	Douglas' sedge
Carex duriuscula C.A. Mey.	needleleaf sedge
Carex eburnea Boott	Bristleleaf Sedge
Carex elynoides T. Holm	Blackroot Sedge
Carex emoryi Dewey	Emory's sedge
Carex filifolia Nutt.	threadleaf sedge
Carex geyeri Boott	Geyer's Sedge
Carex granularis Muhl. ex Willd.	limestone meadow sedge
Carex gravida L.H. Bailey	Heavy-Fruited Sedge
Carex haydeniana Olney	Cloud Sedge
Carex haydenii Dewey	Hayden's sedge
Carex heteroneura W. Boott	different-nerve sedge
Carex hoodii Boott	Hood's sedge
Carex hystericina Muhl. ex Willd.	bottlebrush sedge
Carex illota L.H. Bailey	sheep sedge
Carex inops L.H. Bailey	Long-stolon Sedge
Carex interior L.H. Bailey	inland sedge
Carex laeviconica Dewey	smoothcone sedge
Carex leptalea Wahlenb.	bristlystalked sedge
Carex macloviana d'Urv.	Thickhead Sedge
Carex microptera Mack.	smallwing sedge
Carex molesta Mack. ex Bright	troublesome sedge
Carex nebrascensis Dewey	Nebraska sedge
Carex obtusata Lilj.	obtuse sedge
Carex pachystachya Cham. ex Steud.	chamisso sedge
Carex parryana Dewey	Parry's sedge
Carex paysonis Clokey	Payson's sedge
Carex peckii Howe	Peck's sedge
Carex pedunculata Muhl. ex Willd.	longstalk sedge
Carex pellita Muhl. ex Willd.	woolly sedge
Carex pelocarpa F.J. Herm.	Duskyseed Sedge
Carex pensylvanica Lam.	Pennsylvania sedge
Carex petasata Dewey	Liddon sedge
Carex phaeocephala Piper	dunhead sedge
Carex praeceptorum Mack.	early sedge
Carex praegracilis W. Boott	Clustered Field Sedge
Carex prairea Dewey ex Alph. Wood	prairie sedge
Carex praticola Rydb.	meadow sedge
Carex raynoldsii Dewey	Raynolds' sedge
Carex richardsonii R. Br.	Richardson's sedge
Carex rossii Boott	Ross' sedge
Carex rupestris All.	curly sedge
Carex sartwellii Dewey	Sartwell's sedge
Carex saximontana Mack.	Rocky Mountain sedge
Carex scirpoidea Michx.	northern singlespike sedge
Carex scoparia Schkuhr ex Willd.	broom sedge
Carex scopulorum T. Holm	mountain sedge
Carex siccata Dewey	dryspike sedge
Carex sprengelii Dewey ex Spreng.	Sprengel's sedge
Carex stenoptila F.J. Herm.	Riverbank Sedge
Carex stipata Muhl. ex Willd.	Awlfruit Sedge
Carex stricta Lam.	upright sedge
Carex sychnocephala Carey	manyhead sedge
Carex tenera Dewey	quill sedge
Carex torreyi Tuck.	Torrey's sedge
Carex utriculata Boott	Northwest Territory sedge
Carex vallicola Dewey	valley sedge
Carex viridula Michx.	little green sedge
Carex vulpinoidea Michx.	Fox Sedge
Carex xerantica L.H. Bailey	whitescale sedge
Castilleja angustifolia (Nutt.) G. Don	northwestern Indian paintbrush
Castilleja cusickii Greenm.	Cusick's Indian paintbrush
Castilleja flava S. Watson	Yellow Indian Paintbrush
Castilleja linariifolia Benth.	Wyoming Indian paintbrush
Castilleja miniata Douglas ex Hook.	giant red Indian paintbrush
Castilleja pallescens (A. Gray) Greenm.	pale Indian paintbrush
Castilleja pulchella Rydb.	Beautiful Indian Paintbrush
Castilleja rhexiifolia Rydb.	splitleaf Indian paintbrush
Castilleja septentrionalis Lindl.	Labrador Indian Paintbrush
Castilleja sessiliflora Pursh	downy paintedcup
Catabrosa aquatica (L.) P. Beauv.	Water Whorlgrass
Ceanothus fendleri A. Gray	Fendler's Ceanothus
Ceanothus herbaceus Raf.	Inland New Jersey Tea
Ceanothus velutinus Douglas ex Hook.	Snowbrush Ceanothus
Celastrus scandens L.	American Bittersweet
Celtis occidentalis L.	Common Hackberry
Cenchrus longispinus (Hack.) Fernald	Mat Sandbur
Cerastium arvense L.	field chickweed
Cerastium brachypodum (Engelm. ex A. Gray) B.L. Rob.	shortstalk chickweed
Cerastium nutans Raf.	nodding chickweed
Ceratophyllum demersum L.	Coon's Tail
Cercocarpus ledifolius Nutt.	Curl-Leaf Mountain Mahogany
Cercocarpus montanus Raf.	Alderleaf Mountain Mahogany
Chaenactis douglasii (Hook.) Hook. & Arn.	Douglas' dustymaiden
Chamaerhodos erecta (L.) Bunge	little rose
Chenopodiastrum simplex (Torr.) S.Fuentes, Uotila & Borsch	Mapleleaf Goosefoot
Chenopodium atrovirens Rydb.	pinyon goosefoot
Chenopodium berlandieri Moq.	Pitseed Goosefoot
Chenopodium desiccatum A. Nelson	aridland goosefoot
Chenopodium fremontii S. Watson	Fremont's goosefoot
Chenopodium incanum (S. Watson) A. Heller	mealy goosefoot
Chenopodium leptophyllum (Moq.) Nutt. ex S. Watson	Narrowleaf Goosefoot
Chenopodium pratericola Rydb.	Desert Goosefoot
Chenopodium standleyanum Aellen	Standley's Goosefoot
Chenopodium subglabrum (S. Watson) A. Nelson	smooth goosefoot
Chenopodium watsonii A. Nelson	Watson's goosefoot
Cherleria obtusiloba (Rydb.) A.J.Moore & Dillenb.	Twinflower Sandwort
Chimaphila umbellata (L.) W.P.C. Barton	pipsissewa
Chrysothamnus viscidiflorus (Hook.) Nutt.	yellow rabbitbrush
Chylismia scapoidea (Torr. & A.Gray) Small	Paiute suncup
Cicuta maculata L.	Spotted Water Hemlock
Cinna latifolia (Trevis. ex Goepp.) Griseb.	Drooping Woodreed
Circaea alpina L.	Small Enchanter's Nightshade
Circaea canadensis L.	Broadleaf Enchanter's Nightshade
Cirsium altissimum (L.) Hill	tall thistle
Cirsium canescens Nutt.	prairie thistle
Cirsium eatonii (A. Gray) B.L. Rob.	Eaton's Thistle
Cirsium eatonii var. murdockii S.L.Welsh	Murdock's Thistle
Cirsium flodmanii (Rydb.) Arthur	Flodman's thistle
Cirsium hookerianum Nutt.	white thistle
Cirsium longistylum J.W. Moore & Frankton	Longstyle Thistle
Cirsium ochrocentrum A. Gray	yellowspine thistle
Cirsium pulcherrimum (Rydb.) K. Schum.	Wyoming Thistle
Cirsium undulatum (Nutt.) Spreng.	Wavyleaf Thistle
Claytonia lanceolata Pall. ex Pursh	lanceleaf springbeauty
Claytonia multiscapa Rydb.	lanceleaf springbeauty
Claytonia perfoliata Donn ex Willd.	miner's lettuce
Claytonia rubra (Howell) Tidestr.	redstem springbeauty
Clematis columbiana (Nutt.) Torr. & A. Gray	rock clematis
Clematis hirsutissima Pursh	hairy clematis
Clematis ligusticifolia Nutt.	western white clematis
Clematis occidentalis (Hornem.) DC.	Western Blue Virginsbower
Clematis virginiana L.	devil's darning needles
Cleomella serrulata (Pursh) Roalson & J.C.Hall	Rocky Mountain Beeplant
Collinsia parviflora Lindl.	Maiden Blue Eyed Mary
Collomia linearis Nutt.	Tiny Trumpet
Comandra umbellata (L.) Nutt.	bastard toadflax
Commelina erecta L.	Whitemouth Dayflower
Conimitella williamsii (D.C. Eaton) Rydb.	Williams' miterwort
Conioselinum scopulorum (A. Gray) J.M. Coult. & Rose	Rocky Mountain Hemlockparsley
Conyza canadensis (L.) Cronquist	Horseweed	✓
Corallorhiza maculata (Raf.) Raf.	Spotted Coralroot
Corallorhiza mertensiana Bong.	Pacific coralroot
Corallorhiza striata Lindl.	hooded coralroot
Corallorhiza trifida Chatelain	Yellow Coralroot
Corallorhiza wisteriana Conrad	spring coralroot
Corispermum americanum (Nutt.) Nutt.	American Bugseed
Corispermum villosum Rydb.	Hairy Bugseed
Corispermum welshii Mosyakin	Welsh's bugseed
Cornus canadensis L.	Bunchberry Dogwood
Cornus sericea L.	Red-Osier Dogwood
Corydalis aurea Willd.	scrambled eggs
Corylus americana Walter	American hazelnut
Corylus cornuta Marshall	Beaked Hazelnut
Crataegus chrysocarpa Ashe	Fireberry Hawthorn
Crataegus douglasii Lindl.	black hawthorn
Crataegus succulenta Schrad. ex Link	fleshy hawthorn
Crepis acuminata Nutt.	tapertip hawksbeard
Crepis atribarba A. Heller	slender hawksbeard
Crepis intermedia A. Gray	limestone hawksbeard
Crepis modocensis Greene	Modoc hawksbeard
Crepis occidentalis Nutt.	largeflower hawksbeard
Crepis runcinata (James) Torr. & A. Gray	fiddleleaf hawksbeard
Croton texensis (Klotzsch) Müll. Arg.	Texas Croton
Cryptantha affinis (A. Gray) Greene	quill cryptantha
Cryptantha ambigua (A. Gray) Greene	basin cryptantha
Cryptantha fendleri (A. Gray) Greene	sanddune cryptantha
Cryptantha kelseyana Greene	Kelsey's Cryptantha
Cryptantha minima Rydb.	little cryptantha
Cryptantha torreyana (A. Gray) Greene	Torrey's cryptantha
Cryptantha watsonii (A. Gray) Greene	Watson's cryptantha
Cryptogramma acrostichoides R. Br.	American Rockbrake
Cuscuta cephalanthi Engelm.	Buttonbush Dodder
Cuscuta coryli Engelm.	hazel dodder
Cuscuta gronovii Willd. ex Schult.	Scaldweed
Cuscuta indecora Choisy	bigseed alfalfa dodder
Cuscuta pentagona Engelm.	fiveangled dodder
Cyclachaena xanthiifolia (Nutt.) Fresen.	Carelessweed
Cymopterus nivalis S. Watson	Snowline Springparsley
Cymopterus terebinthinus (Hook.) Torr. & A.Gray	Turpentine Wavewing
Cyperus acuminatus Torr. & Hook. ex Torr.	tapertip flatsedge
Cyperus bipartitus Torr.	slender flatsedge
Cyperus erythrorhizos Muhl.	redroot flatsedge
Cyperus esculentus L.	Yellow Nutsedge	✓
Cyperus odoratus L.	fragrant flatsedge
Cyperus schweinitzii Torr.	Schweinitz's flatsedge
Cyperus squarrosus L.	Bearded Flatsedge
Cyperus strigosus L.	Straw-Colored Flatsedge	✓
Cypripedium montanum Douglas ex Lindl.	Mountain Lady's Slipper
Cypripedium parviflorum Salisb.	Lesser Yellow Lady's Slipper
Cystopteris fragilis (L.) Bernh.	brittle bladderfern
Dactylorhiza viridis (L.) R.M. Bateman, A.M. Pridgeon & M.W. Chase	Longbract Frog Orchid
Dalea aurea Nutt. ex Pursh	golden prairie clover
Dalea candida Michx. ex Willd.	white prairie clover
Dalea enneandra Nutt.	nineanther prairie clover
Dalea purpurea Vent.	purple prairie clover
Dalea villosa (Nutt.) Spreng.	silky prairie clover
Danthonia californica Bol.	California oatgrass
Danthonia intermedia Vasey	timber oatgrass
Danthonia spicata (L.) P. Beauv. ex Roem. & Schult.	Poverty Oatgrass
Danthonia unispicata (Thurb.) Munro ex Macoun	onespike danthonia
Dasiphora fruticosa (L.) Rydb.	Shrubby Cinquefoil
Delphinium bicolor Nutt.	little larkspur
Delphinium carolinianum Walter	Carolina larkspur
Delphinium geyeri Greene	Geyer's Larkspur
Delphinium nuttallianum Pritz. ex Walp.	twolobe larkspur
Delphinium occidentale (S.Watson) S.Watson ex Coult.	Western Larkspur
Deschampsia cespitosa (L.) P. Beauv.	Tufted Hairgrass
Deschampsia elongata (Hook.) Munro	Slender Hairgrass
Descurainia incana (Bernh. ex Fisch. & C.A. Mey.) Dorn	Mountain Tansymustard
Descurainia pinnata (Walter) Britton	Western Tansymustard
Desmanthus illinoensis (Michx.) MacMill. ex B.L. Rob. & Fernald	Illinois Bundleflower
Desmodium canadense (L.) DC.	showy ticktrefoil
Dichanthelium acuminatum (Sw.) Gould & C.A. Clark	Tapered Rosette Grass
Dichanthelium leibergii (Vasey) Freckmann	Leiberg's panicum
Dichanthelium linearifolium (Scribn. ex Nash) Gould	slimleaf panicgrass
Dichanthelium oligosanthes (Schult.) Gould	Heller's rosette grass
Dichanthelium wilcoxianum (Vasey) Freckmann	fall rosette grass
Dieteria canescens (Pursh) Nutt.	Hoary Tansyaster
Diplachne fusca (L.) P.Beauv. ex Roem. & Schult.	Malabar Sprangletop
Distichlis spicata (L.) Greene	Saltgrass
Dodecatheon conjugens Greene	Bonneville shootingstar
Dodecatheon pulchellum (Raf.) Merr.	darkthroat shootingstar
Douglasia montana A. Gray	Rocky Mountain dwarf-primrose
Draba albertina Greene	Slender Draba
Draba aurea Vahl ex Hornem.	golden draba
Draba crassifolia Graham	snowbed draba
Draba lonchocarpa Rydb.	lancepod draba
Draba oligosperma Hook.	fewseed draba
Draba paysonii J.F. Macbr.	Payson's draba
Dracocephalum parviflorum Nutt.	American Dragonhead
Drymocallis arguta Pursh	Tall Cinquefoil
Drymocallis fissa (Nutt.) Rydb.	Bigflower Cinquefoil
Dryopteris filix-mas (L.) Schott	male fern
Dysphania atriplicifolia (Spreng.) G.Kadereit, Sukhor. & Uotila	Winged Pigweed
Dyssodia papposa (Vent.) Hitchc.	Fetid Marigold
Echinacea angustifolia DC.	narrowleaf coneflower
Echinochloa muricata (P. Beauv.) Fernald	rough barnyardgrass
Echinodorus berteroi (Spreng.) Fassett	upright burhead
Elaeagnus commutata Bernh. ex Rydb.	silverberry
Elatine rubella Rydb.	southwestern waterwort
Eleocharis acicularis (L.) Roem. & Schult.	needle spikerush
Eleocharis compressa Sull.	flatstem spikerush
Eleocharis elliptica Kunth	elliptic spikerush
Eleocharis engelmannii Steud.	Engelmann's spikerush
Eleocharis obtusa (Willd.) Schult.	Blunt Spikerush
Eleocharis palustris (L.) Roem. & Schult.	common spikerush
Eleocharis parvula "(Roem. & Schult.) Link ex Bluff	dwarf spikerush
Eleocharis quinqueflora (Hartmann) O. Schwarz	fewflower spikerush
Eleocharis rostellata (Torr.) Torr.	beaked spikerush
Ellisia nyctelea (L.) L.	Aunt Lucy
Elodea bifoliata H. St. John	twoleaf waterweed
Elodea canadensis Michx.	Canadian waterweed
Elymus albicans (Scribn. & J.G. Sm.) Á. Löve	Montana wheatgrass

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