When informational pages on plants of interest exist through other organizations we provide links directly to them.  The organization’s name is listed in the right hand column.  We encourage people to check out their websites as they provide much interesting information on species of concern to their state.

Washington Natural Heritage Program is especially good for Washington Plants

Scientific Name	Common Name	Federal Listing	Washington State Listing	External Link
Abronia umbellata ssp. acutalata	Rose-purple sand verbena	Species of Concern	Possibly Extinct or Extirpated
Allium dictuon	Blue Mtn. onion	Candidate	Threatened	Washington Natural Heritage Program
Arenaria paludicola	Swamp (=Marsh) sandwort	Endangered	Possibly Extinct or Extripated
Artemisia campestris ssp. borealis var. wormskioldii	Northern wormwood	Candidate	Endangered	Washington Natural Heritage Program
Aster borealis	Rush aster		Threatened
Aster curtus	White-topped aster	Species of Concern	Sensitive	Washington Natural Heritage Program
Aster jessicae	Jessica's aster	Candidate	Endangered	Washington Natural Heritage Program
Astragalus australis var. olympicus	Cotton's milk-vetch	Species of Concern	Threatened
Astragalus columbianus	Columbia milk-vetch	Candidate	Threatened	Washington Natural Heritage Program
Astragalus diaphanus var. diurnus	Transparent milk-vetch	Candidate	Possibly Extinct or Extripated
Astragalus kentrophyta var. douglasii	Thistle milk-vetch	Species of Concern	Possibly Extinct or Extripated
Astragalus microcystis	Least bladery milk-vetch		Sensitive	Washington Natural Heritage Program
Astragalus pulsiferae var. suksdorfii	Ames' milk-vetch	Candidate	Endangered	Washington Natural Heritage Program
Astragalus riparius	Piper's milk-vetch		Sensitive
Astragalus sinuatus	Whited's milk-vetch	Candidate	Endangered	Washington Natural Heritage Program
Botrychium lineare			Sensitive
Calochortus nitidus	Broad-fruit mariposa	Candidate	Threatened	Washington Natural Heritage Program
Camissionia pygmaea	Dwarf evening-primrose		Threatened
Carex comosa	Bristly sedge		Sensitive	CalFlora
Castilleja levisecta	Golden paintbrush	Threatened	Endangered	Washington Natural Heritage Program
Chrysosplenium tetrandrum	Northern golden-carpet		Sensitive
Cimicifuga elata	Tall bugbane	Species of Concern	Threatened
Corydalis aquae-gelidae	Clackamas corydalis	Species of Concern	Threatened
Cusickiella douglasii	Douglas' draba		Threatened	CalFlora
Cypripedium fasciculatum	Clustered lady's-slipper	Candidate	Threatened	Montana Natural Heritage Program
Cypripedium parviflorum	Yellow lady's-slipper		Endangered	Montana Natural Heritage Program
Delphinium leucophaeum	Pale larkspur	Species of Concern	Endangered	Washington Natural Heritage Program
Delphinium viridescens	Wenatchee larkspur	Species of Concern	Threatened
Dodecatheon austrofrigidum	Frigid shootingstar	Species of Concern	Threatened
Eatonella nivea	White eatonella		Threatened	Washington Natural Heritage Program
Erigeron basalticus	Basalt daisy	Candidate	Threatened
Erigeron howellii	Howell's daisy	Species of Concern	Threatened
Erigeron oreganus	Gorge daisy	Species of Concern	Threatened
Eriogonum codium	Umtanum desert buckwheat	Candidate	Endangered	Washington Natural Heritage Program
Eriophorum viridicarnatum	Green keeled cotton-grass		Sensitive
Eryngium petiolatum	Oregon coyote-thistle		Threatened
Filipendula occidentalis	Queen-of-the forest	Species of Concern	Threatened
Hackelia venusta	Showy stickseed	Proposed Endangered	Endangered	University of Washington Center for Urban Horticulture
Haplopappus liatriformis	Palouse goldenweed	Candidate	Threatened	Washington Natural Heritage Program
Howellia aquatilis	Water howellia	Threatened	Threatened	Washington Natural Heritage Program
Juncus kelloggii	Kellogg's rush		Threatened	CalFlora
Lathyrus holochlorus	Thin-leaved peavine		Threatened
Lathyrus torreyi	Torrey's peavine	Species of Concern	Threatened	Washington Natural Heritage Program
Lesquerella tuplashensis	White Bluffs bladderpod	Candidate	Endangered	Washington Natural Heritage Program
Liparis loeselii	Twayblade		Endangered	Washington Natural Heritage Program
Lobelia dortmanna	Water lobelia		Threatened
Lobelia kalmii	Kalm's lobelia		Endangered	Washington Natural Heritage Program
Loeflingia squarrosa var. squarrosa	Loeflingia		Threatened	CalFlora
Lomatium bradshawii	Bradshaw's desert-parsley	Endangered	Endangered
Lomatium rollinsii	Rollins' desert-parsley		Threatened
Lomatium tuberosum	Hoover's desert-parsley	Candidate	Threatened	Washington Natural Heritage Program
Lupinus sabinii	Sabin's lupine		Endangered
Lupinus sulphureus var. kincaidii	Kincaid's sulfur lupine	Threatened	Endangered
Meconella oregana	White meconella	Candidate	Threatened	Washington Natural Heritage Program
Navarretia tagetina	Marigold navarretia		Threatened	Washington Natural Heritage Program
Ophioglossum pusillum	Adder's tongue		Threatened	Montana Natural Heritage Program
Orthocarpus bracteosus	Rosy owl-clover		Threatened	Washington Natural Heritage Program
Oxytropis campestris var. columbiana	Columbia crazyweed		Threatened	Montana Natural Heritage Program
Oxytropis campestris var. wanapum	Wanapum crazyweed	Species of Concern	Endangered	Washington Natural Heritage Program
Penstemon barrettiae	Barrett's beardtongue	Candidate	Threatened
Petrophyton cinerascens	Chelan rockmat	Candidate	Threatened
Phacelia lenta	Sticky phacelia	Candidate	Threatened
Platanthera chorisiana	Choris' bog-orchid		Threatened
Poa laxiflora	Loose-flowered bluegrass		Threatened
Poa unilateralis	Ocean-bluff bluegrass		Threatened	CalFlora
Polemonium carneum	Great polemonium		Threatened	CalFlora
Polemonium pectinatum	Washington polemonium	Candidate	Threatened	Washington Natural Heritage Program
Ranunculus reconditus	Obscure buttercup	Candidate	Threatened	Washington Natural Heritage Program
Rorippa columbiae	Persistent sepal (Columbia) yellowcress	Candidate	Threatened	CalFlora
Rubus nigerrimus	Northwest raspberry	Candidate	Endangered	Washington Natural Heritage Program
Salix sessilifolia	Soft-leaved willow		Threatened	CalFlora
Sidalcea hirtipes	Hairy-stemmed checker-mallow		Endangered	Washington Natural Heritage Program
Sidalcea nelsoniana	Nelson's checker-mallow	Threatened	Endangered	Washington Natural Heritage Program
Sidalcea oregana var calva	Wenatchee Mtn. checker-mallow	Endangered	Endangered	Montana Natural Heritage Program
Silene seelyi	Seely's silence	Candidate	Threatened
Silene spaldingii	Spalding's silene	Candidate	Threatened	Washington Natural Heritage Program
Sisyrinchium sarmentosum	Pale blue-eyed grass	Species of Concern	Threatened
Sullivantia oregana	Oregon sullivantia	Species of Concern	Threatened
Tauschia hooveri	Hoover's tauschia	Candidate	Threatened
Trifolium thompsonii	Thompson's clover	Candidate	Threatened

Sources

USFWS Division of Endangered Species Endangered Threatened and Sensitive Vascular Plants of Washington.  WA Department of Natural Resources, August 1997. USFWS Federal Register Proposed Rules. Vol. 64, No. 205, 1999.

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