Home » Search: All Plants Native in Columbia Plateau

1248 Plants Found

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Ordered by scientific name.

Scientific Name	Common Name	†	Map‡
Abies grandis (Douglas ex D. Don) Lindl.	Grand Fir
Abies lasiocarpa (Hook.) Nutt.	Subalpine Fir
Abronia mellifera Douglas ex Hook.	white sand verbena
Acer glabrum Torr.	Rocky Mountain Maple
Acer negundo L.	Box Elder	✓
Achillea millefolium L.	Common Yarrow
Achnatherum hendersonii (Vasey) Barkworth	Henderson's needlegrass
Achnatherum hymenoides (Roem. & Schult.) Barkworth	Indian Ricegrass
Achnatherum lemmonii (Vasey) Barkworth	Lemmon's Needlegrass
Achnatherum nelsonii (Scribn.) Barkworth	Columbia needlegrass
Achnatherum occidentale (Thurb.) Barkworth	Western Needlegrass
Achnatherum thurberianum (Piper) Barkworth	Thurber's Needlegrass
Acmispon americanus (Nutt.) Rydb.	American Bird's-Foot Trefoil
Aconitum columbianum Nutt.	Columbian monkshood
Actaea rubra (Aiton) Willd.	Red Baneberry
Adenocaulon bicolor Hook.	American trailplant
Adiantum aleuticum (Rupr.) Paris	Aleutian Maidenhair
Agastache occidentalis (Piper) A. Heller	western giant hyssop
Agastache urticifolia (Benth.) Kuntze	nettleleaf giant hyssop
Agoseris aurantiaca (Hook.) Greene	orange agoseris
Agoseris glauca (Pursh) Raf.	pale agoseris
Agoseris grandiflora (Nutt.) Greene	bigflower agoseris
Agoseris heterophylla (Nutt.) Greene	annual agoseris
Agrostis exarata Trin.	spike bentgrass
Agrostis pallens Trin.	Seashore Bentgrass
Agrostis scabra Willd.	Rough Bentgrass
Agrostis variabilis Rydb.	mountain bentgrass
Aliciella leptomeria (A. Gray) J.M. Porter	sand gilia
Aliciella lottiae (Day) J.M. Porter	Lott's gilia
Alisma gramineum Lej.	narrowleaf water plantain
Alisma triviale Pursh	Northern Water Plantain
Allium acuminatum Hook.	tapertip onion
Allium bisceptrum S. Watson	twincrest onion
Allium cernuum Roth	Nodding Onion
Allium columbianum (Ownbey & Mingrone) P. Peterson, Annable & Rieseberg	Columbian Onion
Allium constrictum (Ownbey & Mingrone) P. Peterson, Annable & Rieseberg	Grand Coulee Onion
Allium dictuon H. St. John	Blue Mountain onion
Allium douglasii Hook.	Douglas' onion
Allium fibrillum M.E. Jones	Cuddy Mountain onion
Allium geyeri S. Watson	Geyer's onion
Allium macrum S. Watson	rock onion
Allium madidum S. Watson	swamp onion
Allium parvum Kellogg	Small Onion
Allium robinsonii L.F. Hend.	Robinson's onion
Allium schoenoprasum L.	Chives
Allium scilloides Douglas ex S. Watson	fragile onion
Allium tolmiei (Hook.) Baker ex S. Watson	Tolmie's onion
Alnus incana (L.) Moench	Gray Alder
Alnus rhombifolia Nutt.	white alder
Alopecurus aequalis Sobol.	Shortawn Foxtail
Alopecurus carolinianus Walter	Carolina foxtail
Alopecurus saccatus Vasey	Pacific foxtail
Amaranthus californicus (Moq.) S. Watson	California amaranth
Amaranthus powellii S. Watson	Powell's Amaranth
Ambrosia acanthicarpa Hook.	Flatspine Bur Ragweed
Amelanchier alnifolia (Nutt.) Nutt. ex M. Roem.	Saskatoon serviceberry
Amelanchier utahensis Koehne	Utah serviceberry
Ammannia robusta Heer & Regel	grand redstem
Amsinckia lycopsoides Lehm.	Tarweed Fiddleneck
Amsinckia menziesii (Lehm.) A. Nelson & J.F. Macbr.	Menzies' fiddleneck
Amsinckia tessellata A. Gray	bristly fiddleneck
Anaphalis margaritacea (L.) Benth.	Western Pearly Everlasting
Anemone oregana A. Gray	blue windflower
Anemone piperi Britton ex Rydb.	Piper's anemone
Angelica arguta Nutt.	Lyall's angelica
Angelica canbyi J.M. Coult. & Rose	Canby's angelica
Antennaria anaphaloides Rydb.	pearly pussytoes
Antennaria argentea Benth.	silver pussytoes
Antennaria dimorpha (Nutt.) Torr. & A. Gray	low pussytoes
Antennaria flagellaris (A. Gray) A. Gray	Whip Pussytoes
Antennaria howellii Greene	Howell's pussytoes
Antennaria luzuloides Torr. & A. Gray	Rush Pussytoes
Antennaria parvifolia Nutt.	small-leaf pussytoes
Antennaria pulcherrima (Hook.) Greene	showy pussytoes
Antennaria racemosa Hook.	raceme pussytoes
Antennaria rosea Greene	rosy pussytoes
Antennaria stenophylla (A. Gray) A. Gray	narrowleaf pussytoes
Antennaria umbrinella Rydb.	umber pussytoes
Apocynum ×floribundum	Intermediate Dogbane
Apocynum androsaemifolium L.	Spreading Dogbane
Apocynum cannabinum L.	Hemp Dogbane
Aquilegia formosa Fisch. ex DC.	Western Columbine
Arabis eschscholtziana Andrz.	Eschscholtz's hairy rockcress
Arabis nuttallii B.L. Rob.	Nuttall's rockcress
Arceuthobium americanum Nutt. ex Engelm.	American dwarf mistletoe
Arceuthobium campylopodum Engelm.	western dwarf mistletoe
Arceuthobium douglasii Engelm.	Douglas-fir dwarf mistletoe
Arceuthobium laricis (Piper) H. St. John	larch dwarf mistletoe
Arctostaphylos nevadensis A. Gray	Pinemat Manzanita
Arctostaphylos uva-ursi (L.) Spreng.	Kinnikinnick
Argentina anserina (L.) Rydb.	Silverweed Cinquefoil
Aristida purpurea Nutt.	Purple Threeawn
Arnica cordifolia Hook.	heartleaf arnica
Arnica fulgens Pursh	foothill arnica
Arnica gracilis Rydb.	smallhead arnica
Arnica latifolia Bong.	broadleaf arnica
Arnica nevadensis A. Gray	Nevada arnica
Arnica sororia Greene	twin arnica
Artemisia campestris L.	Field Sagewort
Artemisia douglasiana Besser	Douglas' sagewort
Artemisia dracunculus L.	tarragon
Artemisia ludoviciana Nutt.	White Sagebrush
Artemisia rigida (Nutt.) A. Gray	scabland sagebrush
Artemisia tridentata Nutt.	Big Sagebrush
Artemisia tripartita Rydb.	threetip sagebrush
Asarum caudatum Lindl.	British Columbia wildginger
Asclepias fascicularis Decne.	Mexican whorled milkweed
Asclepias speciosa Torr.	showy milkweed
Aspidotis densa (Brack.) Lellinger	Indian's dream
Astragalus agrestis Douglas ex G. Don	purple milkvetch
Astragalus arrectus A. Gray	Palouse milkvetch
Astragalus beckwithii Torr. & A. Gray	Beckwith's milkvetch
Astragalus canadensis L.	Canadian Milkvetch
Astragalus caricinus (M.E. Jones) Barneby	buckwheat milkvetch
Astragalus collinus Douglas ex G. Don	hillside milkvetch
Astragalus columbianus Barneby	Columbian milkvetch
Astragalus conjunctus S. Watson	Idaho milkvetch
Astragalus curvicarpus (A. Heller) J.F. Macbr.	curvepod milkvetch
Astragalus diaphanus Douglas ex Hook.	transparent milkvetch
Astragalus filipes Torr. ex A. Gray	basalt milkvetch
Astragalus geyeri A. Gray	Geyer's milkvetch
Astragalus hoodianus Howell	Hood River milkvetch
Astragalus howellii A. Gray	Howell's milkvetch
Astragalus inflexus Douglas ex Hook.	bent milkvetch
Astragalus laxmannii Jacq.	Laxmann's milkvetch
Astragalus leibergii M.E. Jones	Leiberg's milkvetch
Astragalus lentiginosus Douglas ex Hook.	freckled milkvetch
Astragalus lyallii A. Gray	Lyall's milkvetch
Astragalus microcystis A. Gray	dwarf milkvetch
Astragalus misellus S. Watson	pauper milkvetch
Astragalus miser Douglas ex Hook.	timber milkvetch
Astragalus purshii Douglas ex Hook.	woollypod milkvetch
Astragalus reventiformis (Rydb.) Barneby	Yakima milkvetch
Astragalus reventus A. Gray	Blue Mountain milkvetch
Astragalus riparius Barneby	woodyroot milkvetch
Astragalus sclerocarpus A. Gray	woodypod milkvetch
Astragalus spaldingii A. Gray	Spalding's milkvetch
Astragalus speirocarpus A. Gray	threadstalk milkvetch
Astragalus succumbens Douglas ex Hook.	Columbia milkvetch
Astragalus tenellus Pursh	Looseflower Milkvetch
Astragalus tweedyi Canby	Tweedy's milkvetch
Astragalus whitneyi A. Gray	balloonpod milkvetch
Athysanus pusillus (Hook.) Greene	common sandweed
Atriplex canescens (Pursh) Nutt.	Fourwing Saltbush
Atriplex falcata (M.E. Jones) Standl.	sickle saltbush
Atriplex truncata (Torr. ex S. Watson) A. Gray	wedgescale saltbush
Azolla filiculoides Lam.	Pacific mosquitofern
Azolla microphylla Kaulf.	Mexican Mosquito Fern
Balsamorhiza careyana A. Gray	Carey's balsamroot
Balsamorhiza deltoidea Nutt.	deltoid balsamroot
Balsamorhiza hookeri (Hook.) Nutt.	Hooker's balsamroot
Balsamorhiza incana Nutt.	hoary balsamroot
Balsamorhiza rosea A. Nelson & J.F. Macbr.	rosy balsamroot
Balsamorhiza sagittata (Pursh) Nutt.	arrowleaf balsamroot
Balsamorhiza serrata A. Nelson & J.F. Macbr.	serrate balsamroot
Barbarea orthoceras Ledeb.	American yellowrocket
Beckmannia syzigachne (Steud.) Fernald	American Sloughgrass
Berberis aquifolium Pursh	Oregon Grape
Bergia texana (Hook.) Seub. ex Walp.	Texas bergia
Berula erecta (Huds.) Coville	cutleaf waterparsnip
Besseya rubra (Douglas ex Hook.) Rydb.	red besseya
Betula occidentalis Hook.	Water Birch
Betula papyrifera Marshall	Paper Birch	✓
Bidens cernua L.	Nodding Beggartick
Bidens frondosa L.	Devil's Beggartick
Bistorta bistortoides (Pursh) Small	American Bistort
Blepharipappus scaber Hook.	rough eyelashweed
Blitum nuttallianum Schult.	Nuttall's Povertyweed
Boechera lyallii (S.Watson) Dorn	Lyall's Rockcress
Boechera retrofracta (Graham) Á.Löve & D.Löve	Reflexed Rockcress
Boechera sparsiflora (Nutt.) Dorn	Sicklepod Rockcress
Boechera suffrutescens (S.Watson) Dorn	Woody Rockcress
Bolandra oregana S. Watson	northern false coolwort
Bolboschoenus fluviatilis (Torr.) Soják	River Bulrush
Bolboschoenus maritimus (L.) Palla	Cosmopolitan Bulrush
Botrychium lunaria (L.) Sw.	common moonwort
Brickellia grandiflora (Hook.) Nutt.	tasselflower brickellbush
Brickellia oblongifolia Nutt.	Mojave brickellbush
Bromus carinatus Hook. & Arn.	California brome
Bromus marginatus Nees ex Steud.	Mountain Brome
Bromus orcuttianus Vasey	Orcutt's Brome
Bromus porteri (J.M. Coult.) Nash	Porter brome
Bromus vulgaris (Hook.) Shear	Columbia brome
Calamagrostis canadensis (Michx.) P. Beauv.	Bluejoint
Calamagrostis rubescens Buckley	Pinegrass
Calamagrostis stricta (Timm) Koeler	slimstem reedgrass
Calamovilfa longifolia (Hook.) Scribn.	Prairie Sandreed
Callitriche marginata Torr.	winged water-starwort
Callitriche palustris L.	Vernal Water-starwort
Callitriche stenoptera Lansdown	Narrow-Wing Water-Starwort
Callitropsis nootkatensis (D. Don) Oerst. ex D.P. Little	Nootka Cypress
Calochortus elegans Pursh	elegant mariposa lily
Calochortus longebarbatus S. Watson	longbeard mariposa lily
Calochortus lyallii Baker	Lyall's mariposa lily
Calochortus macrocarpus Douglas	sagebrush mariposa lily
Calochortus nitidus Douglas	broadfruit mariposa lily
Calypso bulbosa (L.) Oakes	fairy slipper
Calystegia sepium (L.) R. Br.	hedge false bindweed
Camassia quamash (Pursh) Greene	small camas
Camissonia contorta (Douglas ex Lehm.) Kearney	Plains Evening Primrose
Camissonia parvula (Nutt. ex Torr. & A. Gray) P.H. Raven	Lewis River suncup
Camissonia pusilla P.H. Raven	little wiry suncup
Campanula rotundifolia L.	Bluebell Bellflower
Canadanthus modestus (Lindl.) G.L. Nesom	giant mountain aster
Cardamine cordifolia A. Gray	heartleaf bittercress
Cardamine nuttallii Greene	Nuttall's toothwort
Cardamine oligosperma Nutt.	little western bittercress
Cardamine pensylvanica Muhl. ex Willd.	Pennsylvania bittercress
Carex amplifolia Boott	bigleaf sedge
Carex aperta Boott	Columbian sedge
Carex aquatilis Wahlenb.	Water Sedge
Carex arcta Boott	northern cluster sedge
Carex atherodes Spreng.	Wheat Sedge
Carex athrostachya Olney	Slenderbeak Sedge
Carex aurea Nutt.	golden sedge
Carex bolanderi Olney	Bolander's sedge
Carex brevior (Dewey) Mack.	shortbeak sedge
Carex canescens L.	silvery sedge
Carex comosa Boott	longhair sedge
Carex concinnoides Mack.	northwestern sedge
Carex cordillerana Saarela & B.A. Ford	Cordilleran sedge
Carex douglasii Boott	Douglas' sedge
Carex echinata Murray	Star Sedge
Carex exsiccata L.H. Bailey	western inflated sedge
Carex filifolia Nutt.	threadleaf sedge
Carex flava L.	yellow sedge
Carex geyeri Boott	Geyer's Sedge
Carex hoodii Boott	Hood's sedge
Carex hystericina Muhl. ex Willd.	bottlebrush sedge
Carex infirminervia Naczi	weak-nerved sedge
Carex interrupta Boeckeler	greenfruit sedge
Carex laeviculmis Meinsh.	smoothstem sedge
Carex leptopoda Mack.	taperfruit shortscale sedge
Carex microptera Mack.	smallwing sedge
Carex nebrascensis Dewey	Nebraska sedge
Carex nudata W. Boott	naked sedge
Carex pachystachya Cham. ex Steud.	chamisso sedge
Carex pellita Muhl. ex Willd.	woolly sedge
Carex petasata Dewey	Liddon sedge
Carex praegracilis W. Boott	Clustered Field Sedge
Carex praticola Rydb.	meadow sedge
Carex preslii Steud.	Presl's sedge
Carex retrorsa Schwein.	knotsheath sedge
Carex rossii Boott	Ross' sedge
Carex rostrata Stokes	beaked sedge
Carex scopulorum T. Holm	mountain sedge
Carex stipata Muhl. ex Willd.	Awlfruit Sedge
Carex subfusca W. Boott	brown sedge
Carex sychnocephala Carey	manyhead sedge
Carex unilateralis Mack.	lateral sedge
Carex utriculata Boott	Northwest Territory sedge
Carex vallicola Dewey	valley sedge
Carex vesicaria L.	blister sedge
Carex vulpinoidea Michx.	Fox Sedge
Castilleja angustifolia (Nutt.) G. Don	northwestern Indian paintbrush
Castilleja campestris (Benth.) T.I. Chuang & Heckard	vernal pool Indian paintbrush
Castilleja cusickii Greenm.	Cusick's Indian paintbrush
Castilleja hispida Benth.	Harsh Indian Paintbrush
Castilleja lutescens (Greenm.) Rydb.	stiff yellow Indian paintbrush
Castilleja miniata Douglas ex Hook.	giant red Indian paintbrush
Castilleja minor (A. Gray) A. Gray	Lesser Indian Paintbrush
Castilleja tenuis (A. Heller) T.I. Chuang & Heckard	hairy Indian paintbrush
Castilleja thompsonii Pennell	Thompson's Indian paintbrush
Ceanothus sanguineus Pursh	redstem ceanothus
Ceanothus velutinus Douglas ex Hook.	Snowbrush Ceanothus
Celtis reticulata	Netleaf Hackberry
Centromadia pungens (Hook. & Arn.) Greene	common tarweed
Cephalanthera austiniae (A. Gray) A. Heller	Phantom Orchid
Cerastium arvense L.	Field Chickweed
Cerastium nutans Raf.	nodding chickweed
Ceratophyllum demersum L.	Coon's Tail
Cercocarpus ledifolius Nutt.	Curl-Leaf Mountain Mahogany
Chaenactis douglasii (Hook.) Hook. & Arn.	Douglas' dustymaiden
Chaenactis nevii A. Gray	John Day's pincushion
Chenopodiastrum simplex (Torr.) S.Fuentes, Uotila & Borsch	Mapleleaf Goosefoot
Chenopodium berlandieri Moq.	Pitseed Goosefoot
Chenopodium fremontii S. Watson	Fremont's goosefoot
Chenopodium hians Standl.	hians goosefoot
Chenopodium leptophyllum (Moq.) Nutt. ex S. Watson	Narrowleaf Goosefoot
Chenopodium pratericola Rydb.	Desert Goosefoot
Chimaphila menziesii (R. Br. ex D. Don) Spreng.	Little Prince's Pine
Chimaphila umbellata (L.) W.P.C. Barton	pipsissewa
Chorizanthe watsonii Torr. & A. Gray	fivetooth spineflower
Chrysothamnus humilis Greene	Truckee rabbitbrush
Chrysothamnus viscidiflorus (Hook.) Nutt.	yellow rabbitbrush
Chylismia scapoidea (Torr. & A.Gray) Small	Paiute suncup
Cicuta douglasii (DC.) J.M. Coult. & Rose	Western Water Hemlock
Cicuta maculata L.	Spotted Water Hemlock
Cinna latifolia (Trevis. ex Goepp.) Griseb.	Drooping Woodreed
Circaea alpina L.	Small Enchanter's Nightshade
Cirsium brevifolium Nutt.	Palouse thistle
Cirsium scariosum Nutt.	meadow thistle
Cirsium undulatum (Nutt.) Spreng.	Wavyleaf Thistle
Clarkia pulchella Pursh	pinkfairies
Clarkia rhomboidea Douglas ex Hook.	diamond clarkia
Claytonia arenicola L.F. Hend.	sand springbeauty
Claytonia cordifolia S. Watson	heartleaf springbeauty
Claytonia exigua Torr. & A. Gray	serpentine springbeauty
Claytonia lanceolata Pall. ex Pursh	lanceleaf springbeauty
Claytonia parviflora Douglas ex Hook.	streambank springbeauty
Claytonia perfoliata Donn ex Willd.	miner's lettuce
Claytonia rubra (Howell) Tidestr.	redstem springbeauty
Claytonia sibirica L.	Siberian 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
Cleomella lutea (Hook.) Roalson & J.C.Hall	Yellow Spiderflower
Cleomella serrulata (Pursh) Roalson & J.C.Hall	Rocky Mountain Beeplant
Clinopodium douglasii (Benth.) Kuntze	yerba buena
Clintonia uniflora (Menzies ex Schult. & Schult. f.) Kunth	bride's bonnet
Collinsia parviflora Lindl.	Maiden Blue Eyed Mary
Collinsia rattanii A. Gray	sticky blue eyed Mary
Collomia grandiflora Douglas ex Lindl.	Grand Collomia
Collomia heterophylla Douglas ex Hook.	variableleaf collomia
Collomia linearis Nutt.	Tiny Trumpet
Collomia macrocalyx Leiberg ex Brand	bristleflower collomia
Collomia tenella A. Gray	diffuse collomia
Collomia tinctoria Kellogg	staining collomia
Comandra umbellata (L.) Nutt.	bastard toadflax
Comarum palustre L.	purple marshlocks
Corallorhiza maculata (Raf.) Raf.	Spotted Coralroot
Corallorhiza striata Lindl.	hooded coralroot
Corallorhiza trifida Chatelain	Yellow Coralroot
Coreopsis tinctoria Nutt.	Golden Tickseed
Corispermum americanum (Nutt.) Nutt.	American Bugseed
Corispermum pacificum Mosyakin	common bugseed
Corispermum villosum Rydb.	Hairy Bugseed
Cornus sericea L.	Red-Osier Dogwood
Cornus unalaschkensis Ledeb.	western cordilleran bunchberry
Corydalis aurea Willd.	scrambled eggs
Crataegus chrysocarpa Ashe	Fireberry Hawthorn
Crataegus douglasii Lindl.	black hawthorn
Crataegus gaylussacia A.Heller	Suksdorf's Hawthorn
Crepis acuminata Nutt.	tapertip hawksbeard
Crepis atribarba A. Heller	slender hawksbeard
Crepis bakeri Greene	Baker's hawksbeard
Crepis intermedia A. Gray	limestone hawksbeard
Crepis modocensis Greene	Modoc hawksbeard
Crepis occidentalis Nutt.	largeflower hawksbeard
Crepis pleurocarpa A. Gray	nakedstem hawksbeard
Crepis runcinata (James) Torr. & A. Gray	fiddleleaf hawksbeard
Crocidium multicaule Hook.	common spring-gold
Croton setiger Hook.	Dove Weed
Cryptantha affinis (A. Gray) Greene	quill cryptantha
Cryptantha ambigua (A. Gray) Greene	basin cryptantha
Cryptantha fendleri (A. Gray) Greene	sanddune cryptantha
Cryptantha flaccida (Douglas ex Lehm.) Greene	Weakstem Cryptantha
Cryptantha gracilis Osterh.	narrowstem cryptantha
Cryptantha intermedia (A. Gray) Greene	Clearwater cryptantha
Cryptantha pterocarya (Torr.) Greene	wingnut cryptantha
Cryptantha scoparia A. Nelson	Pinyon Desert cryptantha
Cryptantha torreyana (A. Gray) Greene	Torrey's cryptantha
Cryptantha watsonii (A. Gray) Greene	Watson's cryptantha
Cuscuta denticulata Engelm.	desert dodder
Cuscuta indecora Choisy	bigseed alfalfa dodder
Cuscuta pentagona Engelm.	fiveangled dodder
Cyclachaena xanthiifolia (Nutt.) Fresen.	Carelessweed
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 squarrosus L.	Bearded Flatsedge
Cyperus strigosus L.	Straw-Colored Flatsedge	✓
Cypripedium fasciculatum Kellogg ex S. Watson	clustered lady's slipper
Cypripedium montanum Douglas ex Lindl.	Mountain Lady's Slipper
Cystopteris fragilis (L.) Bernh.	brittle bladderfern
Dalea ornata (Douglas ex Hook.) Eaton & J. Wright	Blue Mountain prairie clover
Danthonia californica Bol.	California oatgrass
Danthonia intermedia Vasey	timber oatgrass
Danthonia unispicata (Thurb.) Munro ex Macoun	onespike danthonia
Delphinium bicolor Nutt.	little larkspur
Delphinium depauperatum Nutt.	slim larkspur
Delphinium glaucum S. Watson	Sierra larkspur
Delphinium lineapetalum Ewan	thinpetal larkspur
Delphinium menziesii DC.	Menzies' larkspur
Delphinium nuttallianum Pritz. ex Walp.	twolobe larkspur
Delphinium nuttallii A. Gray	upland larkspur
Delphinium occidentale (S.Watson) S.Watson ex Coult.	Western Larkspur
Delphinium viridescens Leiberg	Wenatchee larkspur
Delphinium xantholeucum Piper	yellow white larkspur
Deschampsia cespitosa (L.) P. Beauv.	Tufted Hairgrass
Deschampsia danthonioides (Trin.) Munro	Annual Hairgrass
Deschampsia elongata (Hook.) Munro	Slender Hairgrass
Descurainia incana (Bernh. ex Fisch. & C.A. Mey.) Dorn	Mountain Tansymustard
Descurainia pinnata (Walter) Britton	Western Tansymustard
Dicentra cucullaria (L.) Bernh.	dutchman's breeches
Dicentra uniflora Kellogg	longhorn steer's-head
Dichanthelium acuminatum (Sw.) Gould & C.A. Clark	Tapered Rosette Grass
Dichanthelium oligosanthes (Schult.) Gould	Heller's rosette grass
Dieteria canescens (Pursh) Nutt.	Hoary Tansyaster
Diplachne fusca (L.) P.Beauv. ex Roem. & Schult.	Malabar Sprangletop
Distichlis spicata (L.) Greene	Saltgrass
Douglasia nivalis Lindl.	snow dwarf-primrose
Downingia bacigalupii Weiler	Bach's calicoflower
Downingia elegans (Douglas ex Lindl.) Torr.	elegant calicoflower
Downingia yina Applegate	cascade calicoflower
Draba densifolia Nutt.	denseleaf draba
Dryopteris filix-mas (L.) Schott	male fern
Eatonella nivea (D.C. Eaton) A. Gray	white false tickhead
Elaeagnus commutata Bernh. ex Rydb.	silverberry
Elatine californica A. Gray	California waterwort
Eleocharis acicularis (L.) Roem. & Schult.	needle spikerush
Eleocharis bella (Piper) Svens.	beautiful 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
Eleocharis suksdorfiana P. Beauv.	Suksdorf's spikerush
Elodea canadensis Michx.	Canadian waterweed
Elymus alaskanus (Scribn. & Merr.) Á. Löve	Alaskan Wheatgrass
Elymus albicans (Scribn. & J.G. Sm.) Á. Löve	Montana wheatgrass
Elymus canadensis L.	Canada Wildrye
Elymus elymoides (Raf.) Swezey	Squirreltail
Elymus glaucus Buckley	blue wildrye
Elymus lanceolatus (Scribn. & J.G. Sm.) Gould	thickspike wheatgrass
Elymus multisetus M.E. Jones	big squirreltail
Elymus scribneri (Vasey) M.E. Jones	spreading wheatgrass
Elymus trachycaulus (Link) Gould ex Shinners	Slender Wheatgrass
Elymus wawawaiensis J. Carlson & Barkworth	Snake River wheatgrass
Epilobium angustifolium L.	Fireweed
Epilobium brachycarpum C. Presl	Tall Annual Willowherb
Epilobium ciliatum Raf.	fringed willowherb
Epilobium densiflorum (Lindl.) Hoch & P.H. Raven	denseflower willowherb
Epilobium glaberrimum Barbey	glaucus willowherb
Epilobium hornemannii Rchb.	Hornemann's willowherb
Epilobium lactiflorum Hausskn.	Milkflower Willowherb
Epilobium leptocarpum Hausskn.	slenderfruit willowherb
Epilobium minutum Lindl. ex Lehm.	Chaparral Willowherb
Epilobium oregonense Hausskn.	Oregon willowherb
Epilobium torreyi (S. Watson) Hoch & P.H. Raven	Torrey's willowherb
Epipactis gigantea Douglas ex Hook.	stream orchid
Equisetum arvense L.	field horsetail
Equisetum fluviatile L.	water horsetail
Equisetum hyemale L.	scouringrush horsetail
Equisetum laevigatum A. Braun	smooth horsetail
Equisetum palustre L.	marsh horsetail
Equisetum telmateia Ehrh.	giant horsetail
Equisetum variegatum Schleich. ex F. Weber & D. Mohr	variegated scouringrush
Eragrostis hypnoides "(Lam.) Britton	teal lovegrass
Eragrostis mexicana (Hornem.) Link	Mexican lovegrass
Eragrostis pectinacea (Michx.) Nees ex Steud.	tufted lovegrass
Eremogone capillaris (Poir.) Fenzl	Slender Mountain Sandwort
Eremogone congesta var. congesta (Nutt. ex Torr. & A.Gray) Ikonn.	Ballhead Sandwort
Eriastrum wilcoxii (A. Nelson) H. Mason	Wilcox's woollystar
Ericameria nauseosa (Pall. ex Pursh) G.L. Nesom & Baird	rubber rabbitbrush
Ericameria resinosa Nutt.	Columbian goldenbush
Erigeron caespitosus Nutt.	tufted fleabane
Erigeron canadensis L.	Horseweed	✓
Erigeron chrysopsidis A. Gray	dwarf yellow fleabane
Erigeron compositus Pursh	cutleaf daisy
Erigeron corymbosus Nutt.	longleaf fleabane
Erigeron disparipilus Cronquist	white cushion fleabane
Erigeron divergens Torr. & A. Gray	spreading fleabane
Erigeron eatonii A. Gray	Eaton's Fleabane
Erigeron filifolius (Hook.) Nutt.	threadleaf fleabane
Erigeron glabellus Nutt.	streamside fleabane
Erigeron linearis (Hook.) Piper	desert yellow fleabane
Erigeron philadelphicus L.	Philadelphia Fleabane	✓
Erigeron piperianus Cronquist	Piper's fleabane
Erigeron poliospermus A. Gray	purple cushion fleabane
Erigeron pumilus Nutt.	shaggy fleabane
Erigeron speciosus (Lindl.) DC.	aspen fleabane
Eriogonum baileyi S. Watson	Bailey's buckwheat
Eriogonum caespitosum Nutt.	matted buckwheat
Eriogonum cernuum Nutt.	nodding buckwheat
Eriogonum codium Reveal, Caplow & K. Beck	Basalt Desert Buckwheat
Eriogonum compositum Douglas ex Benth.	arrowleaf buckwheat
Eriogonum douglasii Benth.	Douglas' buckwheat
Eriogonum elatum Douglas ex Benth.	tall woolly buckwheat
Eriogonum flavum Nutt.	alpine golden buckwheat
Eriogonum heracleoides Nutt.	parsnipflower buckwheat
Eriogonum microthecum Nutt.	Slender Buckwheat
Eriogonum niveum Douglas ex Benth.	snow buckwheat
Eriogonum nudum Douglas ex Benth.	naked buckwheat
Eriogonum sphaerocephalum Douglas ex Benth.	rock buckwheat
Eriogonum strictum Benth.	Blue Mountain buckwheat
Eriogonum thymoides Benth.	Thymeleaf Buckwheat
Eriogonum umbellatum Torr.	sulphur-flower buckwheat
Eriogonum vimineum Douglas ex Benth.	wickerstem buckwheat
Eriophyllum lanatum (Pursh) Forbes	common woolly sunflower
Erysimum capitatum (Douglas ex Hook.) Greene	Sanddune Wallflower
Erysimum occidentale (S. Watson) B.L. Rob.	pale wallflower
Erythronium grandiflorum Pursh	yellow avalanche-lily
Euphorbia glyptosperma Engelm.	Ribseed Sandmat
Euphorbia serpillifolia Pers.	Thymeleaf Sandmat
Euphorbia spathulata Lam.	Warty Spurge
Eurybia conspicua (Lindl.) G.L. Nesom	western showy aster
Eurybia integrifolia (Nutt.) G.L. Nesom	thickstem aster
Euthamia occidentalis Nutt.	western goldentop
Festuca idahoensis Elmer	Idaho Fescue
Festuca occidentalis Hook.	western fescue
Festuca rubra L.	Red Fescue
Festuca subulata Trin.	bearded fescue
Festuca viridula Vasey	Greenleaf Fescue
Festuca washingtonica Alexeev	Washington fescue

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