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Washington Natural Heritage Rare Plants and Nonvasculars
Adams County
State Federal
Scientific Name Common Name Status Status Historical
Page 1 of 1
November 2019
Cryptantha spiculifera Snake River cryptantha S H
Erythranthe suksdorfii Suksdorf's monkeyflower S
Erythranthe washingtonensis Washington monkeyflower X H
Juncus uncialis inch-high rush T
Leymus flavescens yellow wildrye S
Myosurus alopecuroides foxtail mousetail T
Pilularia americana American pillwort T
Polemonium pectinatum Washington polemonium T
Ranunculus hebecarpus downy buttercup T H
Silene spaldingii Spalding's catchfly T LT
Spartina pectinata prairie cordgrass S H
Washington Natural Heritage Rare Plants and Nonvasculars
Asotin County
State Federal
Scientific Name Common Name Status Status Historical
Page 1 of 1
November 2019
Arabis crucisetosa cross-haired rockcress T
Asclepias cryptoceras pallid milkweed T
Astragalus arthurii Arthur's milkvetch S
Astragalus asotinensis Asotin milkvetch E
Astragalus cusickii var. cusickii Cusick's milkvetch S
Astragalus riparius Piper's milkvetch T
Bolandra oregana Oregon bolandra T
Calochortus macrocarpus var. maculosus sagebrush mariposa lily S
Calochortus nitidus broad-fruit mariposa lily E
Crepis bakeri ssp. idahoensis Idaho hawksbeard E
Cryptantha rostellata beaked cryptantha T
Diplacus cusickioides Cusick’s monkeyflower T
Erigeron davisii Davis' fleabane S
Erigeron disparipilus Snake River daisy S
Erythranthe ampliata Nez Perce monkeyflower X H
Erythranthe patula stalk-leaved monkeyflower T
Hackelia hispida var. hispida rough stickseed T
Lipocarpha aristulata awned halfchaff sedge T H
Lomatium rollinsii Rollins' desert-parsley T
Lomatium serpentinum Snake Canyon desert-parsley S
Lupinus sabinianus Sabin's lupine E H
Myriopteris gracilis Fee's lip-fern T
Oenothera cespitosa ssp. marginata tufted evening-primrose T
Penstemon pennellianus Blue Mountain penstemon T
Petrophytum caespitosum ssp. caespitosum Rocky Mountain rockmat E
Pyrrocoma scaberula Palouse goldenweed E
Ribes cereum var. colubrinum squaw currant E
Ribes oxyacanthoides var. irriguum Idaho gooseberry T
Ribes wolfii Wolf's currant S
Rubus nigerrimus northwest raspberry T
Silene spaldingii Spalding's catchfly T LT
Spartina pectinata prairie cordgrass S
Trifolium douglasii Douglas' clover E
Washington Natural Heritage Rare Plants and Nonvasculars
Benton County
State Federal
Scientific Name Common Name Status Status Historical
Page 1 of 1
November 2019
Aliciella leptomeria Great Basin gilia T
Ammannia robusta grand redstem T
Astragalus columbianus Columbia milkvetch S
Astragalus kentrophyta var. douglasii thistle milkvetch X H
Astragalus misellus var. pauper pauper milkvetch S H
Calyptridium roseum rosy pussypaws T
Cryptantha leucophaea gray cryptantha T
Cryptantha scoparia desert cryptantha S
Cryptantha spiculifera Snake River cryptantha S
Cuscuta denticulata desert dodder T H
Eleocharis coloradoensis dwarf spike-rush X
Eremothera minor small-flower evening-primrose S
Eremothera pygmaea dwarf evening-primrose S
Eriogonum codium Umtanum desert buckwheat E LT
Erythranthe suksdorfii Suksdorf's monkeyflower S
Hypericum majus Canadian St. John's-wort S
Leymus flavescens yellow wildrye S
Lipocarpha aristulata awned halfchaff sedge T
Loeflingia squarrosa spreading pygmyleaf T
Lomatium tuberosum Hoover's desert-parsley S
Micromonolepis pusilla red poverty-weed T H
Mimetanthe pilosa false monkeyflower S H
Myosurus alopecuroides foxtail mousetail T
Nicotiana attenuata coyote tobacco S
Oenothera cespitosa ssp. cespitosa cespitose evening-primrose S
Rorippa columbiae Columbia yellowcress T
Rotala ramosior lowland toothcup S
Sabulina nuttallii var. fragilis Nuttall's sandwort T
Texosporium sancti-jacobi woven-spore lichen T
Washington Natural Heritage Rare Plants and Nonvasculars
Chelan County
State Federal
Scientific Name Common Name Status Status Historical
Page 1 of 2
November 2019
Agoseris elata tall agoseris S
Alectoria nigricans witch's hair lichen T
Anemone patens var. multifida pasqueflower T
Astragalus arrectus Palouse milkvetch T
Astragalus sinuatus Whited's milkvetch E
Botrychium hesperium western moonwort S
Botrychium paradoxum two-spiked moonwort T
Carex capillaris hair-like sedge T
Carex proposita Smoky Mountain sedge S
Chaenactis thompsonii Thompson's chaenactis S
Cicuta bulbifera bulb-bearing water-hemlock S
Cryptantha spiculifera Snake River cryptantha S
Cryptogramma stelleri Steller's rockbrake S
Delphinium viridescens Wenatchee larkspur T
Dermatocarpon meiophyllizum silverskin lichen T
Diplacus cusickioides Cusick’s monkeyflower T H
Eleocharis atropurpurea purple spike-rush X H
Eremothera pygmaea dwarf evening-primrose S H
Erigeron salishii Salish fleabane S
Eritrichium argenteum pale alpine forget-me-not S
Erythranthe suksdorfii Suksdorf's monkeyflower S
Geum rossii var. depressum Ross' avens E
Githopsis specularioides common bluecup S
Hackelia cinerea gray stickseed T H
Hackelia hispida var. disjuncta sagebrush stickseed S H
Hackelia taylorii Taylor's stickseed T
Hackelia venusta showy stickseed E LE
Juncus howellii Howell's rush T H
Kalmia procumbens alpine azalea T H
Lomatium roneorum Rone's biscuitroot E
Lycopodium lagopus one-cone clubmoss S
Nicotiana attenuata coyote tobacco S
Ophioglossum pusillum adder's-tongue S
Packera bolanderi var. harfordii Harford's ragwort S H
Pedicularis pulchella mountain lousewort S
Pellaea brachyptera Sierra cliffbrake S
Pellaea breweri Brewer's cliffbrake S
Peltigera hydrothyria hydrothyria lichen S
Penstemon eriantherus var. whitedii Whited's fuzzytongue penstemon T
Petrophytum cinerascens Chelan rockmat E
Potentilla glaucophylla var. perdissecta diverse-leaved cinquefoil S H
Rotala ramosior lowland toothcup S
Salix pseudomonticola false mountain willow S
Salix vestita rock willow X H
Washington Natural Heritage Rare Plants and Nonvasculars
Chelan County
State Federal
Scientific Name Common Name Status Status Historical
Page 2 of 2
November 2019
Saxifraga hyperborea pygmy saxifrage S
Saxifragopsis fragarioides strawberry saxifrage T
Schizachyrium scoparium var. scoparium little bluestem T
Scouleria marginata marginate splashzone moss T H
Sidalcea oregana var. calva Wenatchee Mountain checkermallow E LE
Silene scouleri ssp. scouleri Scouler's catchfly S H
Silene seelyi Seely's catchfly S
Spiranthes diluvialis Ute ladies' tresses E LT
Spiranthes porrifolia western ladies'-tresses S
Sporobolus compositus var. compositus composite dropseed S
Swertia perennis swertia T
Tholurna dissimilis urn lichen S
Trifolium thompsonii Thompson's clover T
Umbilicaria phaea var. coccinea navel lichen E
Washington Natural Heritage Rare Plants and Nonvasculars
Clallam County
State Federal
Scientific Name Common Name Status Status Historical
Page 1 of 2
November 2019
Abronia umbellata var. acutalata pink sand-verbena E H
Actaea elata var. elata tall bugbane S
Agoseris elata tall agoseris S H
Alectoria nigricans witch's hair lichen T H
Alectoria ochroleuca green witch's hair lichen E H
Arabis olympica Olympic rockcress S H
Astragalus australis var. cottonii Cotton's milkvetch T
Astragalus microcystis least bladdery milkvetch S H
Bunodophoron melanocarpum northern fan-coral lichen T
Carex obtusata blunt sedge S
Carex pauciflora few-flowered sedge S
Carex pluriflora several-flowered sedge S
Carex stylosa long-styled sedge S
Claytonia multiscapa ssp. pacifica Pacific lanceleaved springbeauty E H
Cochlearia groenlandica scurvygrass T
Coptis aspleniifolia spleenwort-leaved goldthread S
Coptis trifolia threeleaf goldthread T
Draba cana lance-leaved draba S H
Epilobium mirabile Olympic Mountain willowherb S H
Erigeron aliceae Alice's fleabane S
Erioderma sorediatum erioderma lichen T
Erythronium quinaultense Quinault fawn-lily T
Erythronium revolutum pink fawn-lily S
Fuscopannaria laceratula torn shingles lichen E
Gentiana douglasiana swamp gentian S
Hedysarum occidentale western hedysarum S
Hymenophyllum wrightii Wright's filmy fern S
Iwatsukiella leucotricha Iwatsukiella moss E
Kaernefeltia californica kaernefeltia lichen T H
Leioderma sorediatum treepelt lichen E
Lobelia dortmanna water lobelia S
Lycopodiella inundata bog clubmoss S
Micranthes tischii Tisch's saxifrage S H
Microseris borealis northern microseris S
Montia diffusa branching montia S
Niebla cephalota niebla lichen S
Oxalis suksdorfii western yellow oxalis X H
Oxytropis borealis var. viscida sticky crazyweed S
Oxytropis campestris var. gracilis slender crazyweed S
Pertusaria coccodes a lichen E
Plantago macrocarpa Alaska plantain S
Plectritis brachystemon shortspur seablush S H
Poa laxiflora loose-flowered bluegrass S H
Polemonium carneum great polemonium T
Washington Natural Heritage Rare Plants and Nonvasculars
Clallam County
State Federal
Scientific Name Common Name Status Status Historical
Page 2 of 2
November 2019
Potentilla breweri Brewer's cinquefoil T H
Ramalina pollinaria powdery twig lichen T
Sanguisorba menziesii Menzies' burnet T
Saxifraga hyperborea pygmy saxifrage S
Silene scouleri ssp. scouleri Scouler's catchfly S H
Sparganium fluctuans water bur-reed T
Sulcaria badia sulcaria lichen X H
Sulcaria spiralifera horsehair lichen E
Synthyris lanuginosa cut-leaf synthyris S
Tholurna dissimilis urn lichen S H
Umbilicaria rigida rigid navel lichen T
Usnea longissima beard lichen S
Usnea subgracilis beard lichen S
Utricularia intermedia flat-leaved bladderwort S
Whipplea modesta yerba de selva T
Washington Natural Heritage Rare Plants and Nonvasculars
Clark County
State Federal
Scientific Name Common Name Status Status Historical
Page 1 of 1
November 2019
Actaea elata var. elata tall bugbane S
Actaea laciniata Mt. Hood bugbane S
Aphyllon californicum ssp. grayanum Gray's broomrape E H
Bolandra oregana Oregon bolandra T
Carex densa dense sedge S
Castilleja levisecta golden paintbrush T LT H
Cirsium remotifolium var. remotifolium weak thistle S H
Collinsia sparsiflora var. sparsiflora few-flower blue-eyed Mary T
Corydalis aquae-gelidae Clackamas corydalis T
Eryngium petiolatum Oregon coyote-thistle T
Euonymus occidentalis var. occidentalis western wahoo S
Geranium oreganum Oregon crane's-bill X H
Hedysarum occidentale western hedysarum S
Howellia aquatilis water howellia T LT
Isoetes nuttallii Nuttall's quillwort S
Juncus patens spreading rush S
Lasthenia glaberrima smooth goldfields T H
Lathyrus torreyi Torrey's peavine T H
Lomatium bradshawii Bradshaw's desert-parsley E LE
Montia diffusa branching montia S H
Oxalis suksdorfii western yellow oxalis X H
Penstemon hesperius tall beardtongue E
Polemonium carneum great polemonium T
Salix sessilifolia soft-leaved willow S
Sidalcea hirtipes bristly-stemmed checkermallow T
Spiranthes porrifolia western ladies'-tresses S
Symphyotrichum hallii Hall's aster T
Trillium albidum ssp. parviflorum small-flowered trillium S
Usnea longissima beard lichen S
Wyethia angustifolia California compassplant S
Washington Natural Heritage Rare Plants and Nonvasculars
Columbia County
State Federal
Scientific Name Common Name Status Status Historical
Page 1 of 1
November 2019
Allium campanulatum Sierra onion T
Allium dictuon Blue Mountain onion T
Antennaria corymbosa meadow pussytoes T
Bolandra oregana Oregon bolandra T
Erigeron disparipilus Snake River daisy S
Erythranthe pulsiferae Pulsifer's monkeyflower S H
Erythranthe washingtonensis Washington monkeyflower X H
Hackelia diffusa var. diffusa diffuse stickseed T
Lomatium serpentinum Snake Canyon desert-parsley S H
Penstemon pennellianus Blue Mountain penstemon T
Penstemon wilcoxii Wilcox's beardtongue T H
Phlox solivaga yeti phlox E
Polygonum austiniae Austin's knotweed T
Ranunculus populago mountain buttercup S
Sabulina pusilla annual sandwort T H
Washington Natural Heritage Rare Plants and Nonvasculars
Cowlitz County
State Federal
Scientific Name Common Name Status Status Historical
Page 1 of 1
November 2019
Actaea elata var. elata tall bugbane S H
Agoseris elata tall agoseris S
Corydalis aquae-gelidae Clackamas corydalis T
Erythronium revolutum pink fawn-lily S
Euonymus occidentalis var. occidentalis western wahoo S
Isoetes nuttallii Nuttall's quillwort S
Peltigera hydrothyria hydrothyria lichen S
Poa laxiflora loose-flowered bluegrass S
Polemonium carneum great polemonium T H
Salix sessilifolia soft-leaved willow S
Sidalcea nelsoniana Nelson's checkermallow E LT
Washington Natural Heritage Rare Plants and Nonvasculars
Douglas County
State Federal
Scientific Name Common Name Status Status Historical
Page 1 of 1
November 2019
Allium constrictum constricted onion S
Astragalus misellus var. pauper pauper milkvetch S
Astragalus tenellus loose-flower milkvetch T
Corispermum pallidum pale bugseed X H
Cryptantha gracilis narrow-stem cryptantha S
Cryptantha leucophaea gray cryptantha T
Cryptantha scoparia desert cryptantha S H
Delphinium viridescens Wenatchee larkspur T
Eleocharis rostellata beaked spike-rush S H
Eremothera pygmaea dwarf evening-primrose S
Erythranthe suksdorfii Suksdorf's monkeyflower S
Hackelia cinerea gray stickseed T H
Hackelia hispida var. disjuncta sagebrush stickseed S
Juncus tiehmii Tiehm's rush T
Juncus uncialis inch-high rush T
Lathrocasis tenerrima delicate gilia T
Micromonolepis pusilla red poverty-weed T
Mimetanthe pilosa false monkeyflower S
Nicotiana attenuata coyote tobacco S
Ophioglossum pusillum adder's-tongue S
Pediocactus nigrispinus snowball cactus S
Penstemon eriantherus var. whitedii Whited's fuzzytongue penstemon T
Petrophytum cinerascens Chelan rockmat E
Phacelia lenta sticky phacelia T
Phacelia tetramera dwarf phacelia T
Sandbergia perplexa puzzling rockcress E
Schizachyrium scoparium var. scoparium little bluestem T
Silene scouleri ssp. scouleri Scouler's catchfly S H
Sisyrinchium montanum var. montanum strict blue-eyed-grass T
Spartina pectinata prairie cordgrass S
Thelypodium sagittatum ssp. sagittatum arrow thelypody T H
Trifolium thompsonii Thompson's clover T
Umbilicaria phaea var. coccinea navel lichen E
Washington Natural Heritage Rare Plants and Nonvasculars
Ferry County
State Federal
Scientific Name Common Name Status Status Historical
Page 1 of 1
November 2019
Astragalus arrectus Palouse milkvetch T H
Astragalus microcystis least bladdery milkvetch S H
Botrychium ascendens triangular-lobed moonwort S
Botrychium hesperium western moonwort S
Botrychium lineare skinny moonwort E
Botrychium paradoxum two-spiked moonwort T H
Botrychium pedunculosum stalked moonwort S
Carex cordillerana cordilleran sedge S
Carex rostrata beaked sedge S
Carex sychnocephala many-headed sedge S
Carex tenuiflora sparse-flowered sedge S
Cypripedium parviflorum yellow lady's-slipper S
Eriophorum viridicarinatum green keeled cottongrass S
Geum rivale water avens S
Oxytropis campestris var. columbiana Columbia crazyweed E
Silene scouleri ssp. scouleri Scouler's catchfly S
Sisyrinchium septentrionale northern blue-eyed grass S
Thelypodium sagittatum ssp. sagittatum arrow thelypody T H
Washington Natural Heritage Rare Plants and Nonvasculars
Franklin County
State Federal
Scientific Name Common Name Status Status Historical
Page 1 of 1
November 2019
Aliciella leptomeria Great Basin gilia T
Allium bisceptrum twincrest onion T
Ammannia robusta grand redstem T
Astragalus misellus var. pauper pauper milkvetch S H
Cryptantha leucophaea gray cryptantha T
Cryptantha spiculifera Snake River cryptantha S
Cuscuta denticulata desert dodder T
Eremothera pygmaea dwarf evening-primrose S
Hypericum majus Canadian St. John's-wort S
Leymus flavescens yellow wildrye S
Lipocarpha aristulata awned halfchaff sedge T
Micromonolepis pusilla red poverty-weed T H
Nicotiana attenuata coyote tobacco S H
Penstemon eriantherus var. whitedii Whited's fuzzytongue penstemon T
Physaria douglasii ssp. tuplashensis White Bluffs bladderpod E LT
Rorippa columbiae Columbia yellowcress T
Rotala ramosior lowland toothcup S
Spartina pectinata prairie cordgrass S
Sporobolus compositus var. compositus composite dropseed S
Washington Natural Heritage Rare Plants and Nonvasculars
Garfield County
State Federal
Scientific Name Common Name Status Status Historical
Page 1 of 1
November 2019
Allium dictuon Blue Mountain onion T
Ammannia robusta grand redstem T H
Astragalus arrectus Palouse milkvetch T H
Astragalus riparius Piper's milkvetch T
Bergia texana Texas bergia X H
Bolandra oregana Oregon bolandra T
Calochortus macrocarpus var. maculosus sagebrush mariposa lily S
Calochortus nitidus broad-fruit mariposa lily E H
Chaenotheca subroscida needle lichen S
Erigeron davisii Davis' fleabane S
Erigeron disparipilus Snake River daisy S
Githopsis specularioides common bluecup S H
Leymus flavescens yellow wildrye S H
Lipocarpha aristulata awned halfchaff sedge T H
Lomatium serpentinum Snake Canyon desert-parsley S H
Mimetanthe pilosa false monkeyflower S H
Myriopteris gracilis Fee's lip-fern T H
Oenothera cespitosa ssp. marginata tufted evening-primrose T H
Penstemon pennellianus Blue Mountain penstemon T
Phlox solivaga yeti phlox E
Ranunculus hebecarpus downy buttercup T H
Ranunculus populago mountain buttercup S
Ribes wolfii Wolf's currant S
Rotala ramosior lowland toothcup S H
Rubus nigerrimus northwest raspberry T
Silene scouleri ssp. scouleri Scouler's catchfly S
Silene spaldingii Spalding's catchfly T LT
Spartina pectinata prairie cordgrass S H
Trifolium douglasii Douglas' clover E
Washington Natural Heritage Rare Plants and Nonvasculars
Grant County
State Federal
Scientific Name Common Name Status Status Historical
Page 1 of 1
November 2019
Aliciella leptomeria Great Basin gilia T
Allium constrictum constricted onion S
Ammannia robusta grand redstem T
Artemisia campestris var. wormskioldii Wormskiold's northern wormwood E
Astragalus arrectus Palouse milkvetch T H
Astragalus geyeri var. geyeri Geyer's milkvetch T
Carex vallicola valley sedge S
Corispermum pallidum pale bugseed X H
Corispermum villosum hairy bugseed S
Cryptantha gracilis narrow-stem cryptantha S
Cryptantha leucophaea gray cryptantha T
Cryptantha scoparia desert cryptantha S
Cryptantha spiculifera Snake River cryptantha S
Eatonella nivea white eatonella T
Eleocharis rostellata beaked spike-rush S
Eremothera minor small-flower evening-primrose S
Eremothera pygmaea dwarf evening-primrose S
Erythranthe suksdorfii Suksdorf's monkeyflower S
Hackelia hispida var. disjuncta sagebrush stickseed S
Juncus uncialis inch-high rush T
Leymus flavescens yellow wildrye S
Lipocarpha aristulata awned halfchaff sedge T
Lomatium serpentinum Snake Canyon desert-parsley S H
Lomatium tuberosum Hoover's desert-parsley S
Micromonolepis pusilla red poverty-weed T H
Mimetanthe pilosa false monkeyflower S
Nicotiana attenuata coyote tobacco S
Oenothera cespitosa ssp. cespitosa cespitose evening-primrose S
Oxytropis campestris var. wanapum Wanapum crazyweed E
Pediocactus nigrispinus snowball cactus S
Penstemon eriantherus var. whitedii Whited's fuzzytongue penstemon T
Penstemon wilcoxii Wilcox's beardtongue T H
Phacelia tetramera dwarf phacelia T
Polyctenium fremontii Fremont's combleaf T
Polygonum austiniae Austin's knotweed T
Rorippa columbiae Columbia yellowcress T
Rotala ramosior lowland toothcup S
Sabulina nuttallii var. fragilis Nuttall's sandwort T
Sabulina pusilla annual sandwort T
Spartina pectinata prairie cordgrass S
Spiranthes diluvialis Ute ladies' tresses E LT
Thelypodium sagittatum ssp. sagittatum arrow thelypody T
Washington Natural Heritage Rare Plants and Nonvasculars
Grays Harbor County
State Federal
Scientific Name Common Name Status Status Historical
Page 1 of 1
November 2019
Actaea elata var. elata tall bugbane S H
Arcteranthis cooleyae Cooley's buttercup T
Arenaria paludicola swamp sandwort X LE H
Carex anthoxanthea yellow-flowered sedge T
Carex circinata coiled sedge T
Cirsium remotifolium var. remotifolium weak thistle S H
Claytonia multiscapa ssp. pacifica Pacific lanceleaved springbeauty E
Cochlearia groenlandica scurvygrass T H
Coptis aspleniifolia spleenwort-leaved goldthread S
Dodecatheon austrofrigidum frigid shootingstar E
Erigeron aliceae Alice's fleabane S
Erigeron peregrinus var. thompsonii Thompson's wandering daisy T
Erythronium quinaultense Quinault fawn-lily T
Erythronium revolutum pink fawn-lily S
Iwatsukiella leucotricha Iwatsukiella moss E
Kaernefeltia californica kaernefeltia lichen T
Montia diffusa branching montia S H
Parnassia palustris marsh grass-of-Parnassus S
Plantago macrocarpa Alaska plantain S
Plectritis brachystemon shortspur seablush S H
Polemonium carneum great polemonium T H
Pseudocyphellaria hawaiiensis gilded specklebelly lichen E
Pseudocyphellaria rainierensis Rainier pseudocyphellaria lichen S
Ramalina pollinaria powdery twig lichen T H
Sanguisorba menziesii Menzies' burnet T
Sanicula arctopoides bear's-foot sanicle E H
Sericocarpus rigidus white-top aster S
Synthyris schizantha fringed synthyris S
Usnea longissima beard lichen S
Washington Natural Heritage Rare Plants and Nonvasculars
Island County
State Federal
Scientific Name Common Name Status Status Historical
Page 1 of 1
November 2019
Agoseris elata tall agoseris S H
Castilleja levisecta golden paintbrush T LT
Cicuta bulbifera bulb-bearing water-hemlock S H
Cladonia poroscypha a lichen E
Fritillaria camschatcensis black lily T H
Leptosiphon minimus true babystars S
Meconella oregana white meconella E
Niebla cephalota niebla lichen S
Nuttallanthus texanus Texas toadflax T H
Plectritis brachystemon shortspur seablush S
Ramalina pollinaria powdery twig lichen T
Sericocarpus rigidus white-top aster S
Silene scouleri ssp. scouleri Scouler's catchfly S
Sulcaria spiralifera horsehair lichen E
Symphyotrichum boreale rush aster T
Thelomma mammosum thelomma lichen S H
Washington Natural Heritage Rare Plants and Nonvasculars
Jefferson County
State Federal
Scientific Name Common Name Status Status Historical
Page 1 of 1
November 2019
Agoseris elata tall agoseris S H
Arabis olympica Olympic rockcress S
Astragalus microcystis least bladdery milkvetch S
Brotherella roellii Roll's golden log moss T H
Bunodophoron melanocarpum northern fan-coral lichen T
Carex circinata coiled sedge T
Carex obtusata blunt sedge S
Carex pauciflora few-flowered sedge S
Carex scirpoidea ssp. scirpoidea Canadian single-spike sedge S
Carex stylosa long-styled sedge S H
Castilleja levisecta golden paintbrush T LT H
Claytonia multiscapa ssp. pacifica Pacific lanceleaved springbeauty E H
Cochlearia groenlandica scurvygrass T
Coptis aspleniifolia spleenwort-leaved goldthread S
Dryas drummondii var. drummondii yellow mountain-avens S
Erigeron aliceae Alice's fleabane S H
Erigeron peregrinus var. thompsonii Thompson's wandering daisy T H
Erioderma sorediatum erioderma lichen T
Erythronium quinaultense Quinault fawn-lily T
Erythronium revolutum pink fawn-lily S H
Hedysarum occidentale western hedysarum S
Heterodermia leucomela shield lichen E
Hymenophyllum wrightii Wright's filmy fern S
Iwatsukiella leucotricha Iwatsukiella moss E
Micranthes tischii Tisch's saxifrage S
Oxytropis campestris var. gracilis slender crazyweed S
Pannaria rubiginella shingle lichen E
Parnassia palustris marsh grass-of-Parnassus S
Pellaea breweri Brewer's cliffbrake S
Plantago macrocarpa Alaska plantain S
Poa laxiflora loose-flowered bluegrass S
Potamogeton obtusifolius bluntleaf pondweed S
Pseudocyphellaria rainierensis Rainier pseudocyphellaria lichen S
Saxifraga hyperborea pygmy saxifrage S
Synthyris lanuginosa cut-leaf synthyris S
Umbilicaria lambii Lamb's navel lichen E
Usnea longissima beard lichen S
Vulpicida tilesii yellow lichen E
Woodwardia fimbriata giant chain fern S
Washington Natural Heritage Rare Plants and Nonvasculars
King County
State Federal
Scientific Name Common Name Status Status Historical
Page 1 of 1
November 2019
Actaea elata var. elata tall bugbane S H
Arenaria paludicola swamp sandwort X LE H
Botrychium ascendens triangular-lobed moonwort S
Botrychium hesperium western moonwort S
Botrychium pedunculosum stalked moonwort S H
Brotherella roellii Roll's golden log moss T H
Campanula lasiocarpa Alaska harebell S
Carex macrochaeta longawn sedge T H
Carex pauciflora few-flowered sedge S
Carex stylosa long-styled sedge S
Cassiope lycopodioides clubmoss cassiope T
Castilleja levisecta golden paintbrush T LT H
Chrysolepis chrysophylla var. chrysophylla golden chinquapin S
Cirsium remotifolium var. remotifolium weak thistle S H
Coptis aspleniifolia spleenwort-leaved goldthread S
Dendrolycopodium dendroideum treelike clubmoss S
Fritillaria camschatcensis black lily T
Heterotheca oregona Oregon goldenaster S
Hypericum majus Canadian St. John's-wort S
Kaernefeltia californica kaernefeltia lichen T H
Lathyrus vestitus var. ochropetalus Pacific pea E
Lobelia dortmanna water lobelia S
Lycopodiella inundata bog clubmoss S H
Lycopodium lagopus one-cone clubmoss S
Meconella oregana white meconella E H
Montia diffusa branching montia S H
Nuttallanthus texanus Texas toadflax T H
Platanthera chorisiana Choris' bog-orchid T
Pseudocyphellaria rainierensis Rainier pseudocyphellaria lichen S
Sericocarpus rigidus white-top aster S H
Symphyotrichum boreale rush aster T
Tholurna dissimilis urn lichen S
Usnea longissima beard lichen S
Utricularia intermedia flat-leaved bladderwort S
Washington Natural Heritage Rare Plants and Nonvasculars
Kitsap County
State Federal
Scientific Name Common Name Status Status Historical
Page 1 of 1
November 2019
Abronia umbellata var. acutalata pink sand-verbena E H
Castilleja levisecta golden paintbrush T LT H
Hypericum majus Canadian St. John's-wort S
Lycopodiella inundata bog clubmoss S
Oxalis suksdorfii western yellow oxalis X H
Woodwardia fimbriata giant chain fern S
Washington Natural Heritage Rare Plants and Nonvasculars
Kittitas County
State Federal
Scientific Name Common Name Status Status Historical
Page 1 of 2
November 2019
Agoseris aurantiaca var. carnea pink agoseris S
Agoseris elata tall agoseris S
Anemone patens var. multifida pasqueflower T
Astragalus arrectus Palouse milkvetch T H
Astragalus columbianus Columbia milkvetch S
Astragalus misellus var. pauper pauper milkvetch S
Astragalus sinuatus Whited's milkvetch E H
Boechera cascadensis littleleaf rockcress X H
Carex macrochaeta longawn sedge T H
Carex pauciflora few-flowered sedge S
Carex scirpoidea ssp. scirpoidea Canadian single-spike sedge S
Chaenactis thompsonii Thompson's chaenactis S
Chaenotheca subroscida needle lichen S
Chylismia scapoidea ssp. brachycarpa short-fruited beeblossom T
Collomia macrocalyx bristle-flowered collomia T
Cryptantha gracilis narrow-stem cryptantha S
Cryptantha leucophaea gray cryptantha T
Cryptantha rostellata beaked cryptantha T
Cryptantha scoparia desert cryptantha S
Cryptogramma stelleri Steller's rockbrake S H
Delphinium viridescens Wenatchee larkspur T
Dermatocarpon meiophyllizum silverskin lichen T
Eatonella nivea white eatonella T
Eleocharis rostellata beaked spike-rush S
Eremothera pygmaea dwarf evening-primrose S
Erigeron basalticus basalt daisy T
Erigeron salishii Salish fleabane S
Erythranthe suksdorfii Suksdorf's monkeyflower S
Gentiana douglasiana swamp gentian S
Hackelia hispida var. disjuncta sagebrush stickseed S H
Heterotheca oregona Oregon goldenaster S
Isoetes minima midget quillwort S
Juncus howellii Howell's rush T
Lomatium knokei Knoke's desert-parsley T
Lomatium lithosolamans Hoover's tauschia S
Lomatium tuberosum Hoover's desert-parsley S
Nicotiana attenuata coyote tobacco S
Oenothera cespitosa ssp. cespitosa cespitose evening-primrose S
Ophioglossum pusillum adder's-tongue S H
Orthotrichum praemorsum orthotrichum moss E H
Oxytropis campestris var. gracilis slender crazyweed S H
Pediocactus nigrispinus snowball cactus S
Pellaea breweri Brewer's cliffbrake S
Penstemon eriantherus var. whitedii Whited's fuzzytongue penstemon T H
Washington Natural Heritage Rare Plants and Nonvasculars
Kittitas County
State Federal
Scientific Name Common Name Status Status Historical
Page 2 of 2
November 2019
Phacelia minutissima least phacelia E
Potentilla breweri Brewer's cinquefoil T
Pyrrocoma hirta var. sonchifolia sticky goldenweed T
Sabulina nuttallii var. fragilis Nuttall's sandwort T
Scouleria marginata marginate splashzone moss T H
Sidalcea oregana var. calva Wenatchee Mountain checkermallow E LE
Silene seelyi Seely's catchfly S
Spiranthes porrifolia western ladies'-tresses S
Sporobolus compositus var. compositus composite dropseed S
Washington Natural Heritage Rare Plants and Nonvasculars
Klickitat County
State Federal
Scientific Name Common Name Status Status Historical
Page 1 of 2
November 2019
Agoseris elata tall agoseris S H
Ammannia robusta grand redstem T H
Aphyllon californicum ssp. grayanum Gray's broomrape E
Artemisia campestris var. wormskioldii Wormskiold's northern wormwood E
Astragalus arrectus Palouse milkvetch T
Astragalus diaphanus transparent milkvetch X H
Astragalus misellus var. pauper pauper milkvetch S
Astragalus pulsiferae var. suksdorfii Ames' milkvetch E
Bergia texana Texas bergia X H
Bolandra oregana Oregon bolandra T H
Calochortus longebarbatus var. longebarbatus long-bearded mariposa lily S
Cirsium remotifolium var. remotifolium weak thistle S H
Collinsia sparsiflora var. sparsiflora few-flower blue-eyed Mary T
Corispermum villosum hairy bugseed S H
Cryptantha rostellata beaked cryptantha T
Cryptantha spiculifera Snake River cryptantha S
Cusickiella douglasii Douglas' draba T
Damasonium californicum fringed water-plantain T
Diplacus cusickioides Cusick’s monkeyflower T
Eryngium petiolatum Oregon coyote-thistle T
Erythranthe jungermannioides liverwort monkeyflower X H
Erythranthe pulsiferae Pulsifer's monkeyflower S
Erythranthe suksdorfii Suksdorf's monkeyflower S H
Erythranthe washingtonensis Washington monkeyflower X H
Githopsis specularioides common bluecup S
Hackelia diffusa var. diffusa diffuse stickseed T
Isoetes nuttallii Nuttall's quillwort S
Juncus hemiendytus var. hemiendytus dwarf rush T
Juncus kelloggii Kellogg's rush E
Juncus uncialis inch-high rush T
Kaernefeltia californica kaernefeltia lichen T H
Lasthenia glaberrima smooth goldfields T
Leptosiphon bolanderi Baker's linanthus S
Leymus flavescens yellow wildrye S H
Liparis loeselii bog twayblade E
Lipocarpha aristulata awned halfchaff sedge T H
Lomatium laevigatum smooth desert-parsley T
Lomatium suksdorfii Suksdorf's desert-parsley S
Lomatium tamanitchii ribseed biscuitroot S
Meconella oregana white meconella E
Mimetanthe pilosa false monkeyflower S H
Montia diffusa branching montia S H
Myosurus alopecuroides foxtail mousetail T
Myosurus sessilis shortstemmed mouse-tail E
Washington Natural Heritage Rare Plants and Nonvasculars
Klickitat County
State Federal
Scientific Name Common Name Status Status Historical
Page 2 of 2
November 2019
Navarretia tagetina marigold navarretia T
Nicotiana attenuata coyote tobacco S
Oenothera cespitosa ssp. cespitosa cespitose evening-primrose S
Oenothera cespitosa ssp. marginata tufted evening-primrose T
Ophioglossum pusillum adder's-tongue S
Orthocarpus bracteosus rosy owl's-clover T
Oxalis suksdorfii western yellow oxalis X H
Packera bolanderi var. harfordii Harford's ragwort S H
Penstemon barrettiae Barrett's beardtongue T
Penstemon deustus var. variabilis hot-rock penstemon T
Penstemon eriantherus var. whitedii Whited's fuzzytongue penstemon T
Plectritis brachystemon shortspur seablush S H
Polygonum parryi Parry's knotweed T
Potentilla newberryi Newberry's cinquefoil X H
Ranunculus hebecarpus downy buttercup T
Ranunculus triternatus obscure buttercup E
Rorippa columbiae Columbia yellowcress T H
Rotala ramosior lowland toothcup S
Sabulina pusilla annual sandwort T H
Salix sessilifolia soft-leaved willow S H
Scouleria marginata marginate splashzone moss T
Scribneria bolanderi Scribner's grass T
Sericocarpus oregonensis ssp. oregonensis Oregon white-top aster T H
Sisyrinchium sarmentosum pale blue-eyed grass T
Spiranthes porrifolia western ladies'-tresses S
Stereocaulon myriocarpum snow lichen T
Texosporium sancti-jacobi woven-spore lichen T
Utricularia intermedia flat-leaved bladderwort S H
Veratrum insolitum Siskiyou false hellebore E
Wyethia angustifolia California compassplant S H
Zeltnera muehlenbergii Monterey centaury T H
Washington Natural Heritage Rare Plants and Nonvasculars
Lewis County
State Federal
Scientific Name Common Name Status Status Historical
Page 1 of 1
November 2019
Actaea elata var. elata tall bugbane S
Actaea laciniata Mt. Hood bugbane S
Agoseris elata tall agoseris S H
Alectoria nigricans witch's hair lichen T
Brotherella roellii Roll's golden log moss T H
Carex densa dense sedge S
Catolechia wahlenbergii Wahlenberg's catolechia lichen E
Collema nigrescens jelly lichen S
Delphinium leucophaeum pale larkspur E
Encalypta brevicollis candle-snuffer moss E H
Erigeron aliceae Alice's fleabane S
Eryngium petiolatum Oregon coyote-thistle T
Erythronium revolutum pink fawn-lily S
Euonymus occidentalis var. occidentalis western wahoo S
Githopsis specularioides common bluecup S
Heterotheca oregona Oregon goldenaster S
Isoetes nuttallii Nuttall's quillwort S
Lathyrus holochlorus thin-leaved peavine E
Lathyrus torreyi Torrey's peavine T
Lathyrus vestitus var. ochropetalus Pacific pea E
Lupinus oreganus var. kincaidii Kincaid's sulfur lupine E LT
Microseris borealis northern microseris S H
Montia diffusa branching montia S H
Nephroma occultum kidney lichen S
Pedicularis rainierensis Mt. Rainier lousewort S H
Peltigera hydrothyria hydrothyria lichen S
Poa laxiflora loose-flowered bluegrass S
Polemonium carneum great polemonium T
Potentilla breweri Brewer's cinquefoil T H
Pseudocyphellaria rainierensis Rainier pseudocyphellaria lichen S
Ramalina thrausta cartilage lichen T
Sidalcea hirtipes bristly-stemmed checkermallow T
Sidalcea nelsoniana Nelson's checkermallow E LT
Silene scouleri ssp. scouleri Scouler's catchfly S H
Synthyris schizantha fringed synthyris S
Tholurna dissimilis urn lichen S
Trillium albidum ssp. parviflorum small-flowered trillium S
Umbilicaria lambii Lamb's navel lichen E
Usnea longissima beard lichen S
Wyethia angustifolia California compassplant S
Washington Natural Heritage Rare Plants and Nonvasculars
Lincoln County
State Federal
Scientific Name Common Name Status Status Historical
Page 1 of 1
November 2019
Allium constrictum constricted onion S
Astragalus arrectus Palouse milkvetch T
Astragalus microcystis least bladdery milkvetch S
Carex sychnocephala many-headed sedge S
Cryptantha spiculifera Snake River cryptantha S
Dermatocarpon meiophyllizum silverskin lichen T
Hackelia cinerea gray stickseed T
Juncus uncialis inch-high rush T
Myosurus alopecuroides foxtail mousetail T
Navarretia leucocephala ssp. diffusa diffuse navarretia T
Penstemon eriantherus var. whitedii Whited's fuzzytongue penstemon T
Pilularia americana American pillwort T
Polemonium pectinatum Washington polemonium T
Silene spaldingii Spalding's catchfly T LT
Spiranthes porrifolia western ladies'-tresses S
Thelypodium sagittatum ssp. sagittatum arrow thelypody T H
Washington Natural Heritage Rare Plants and Nonvasculars
Mason County
State Federal
Scientific Name Common Name Status Status Historical
Page 1 of 1
November 2019
Botrychium ascendens triangular-lobed moonwort S
Carex obtusata blunt sedge S
Carex pauciflora few-flowered sedge S
Carex scirpoidea ssp. scirpoidea Canadian single-spike sedge S
Chrysolepis chrysophylla var. chrysophylla golden chinquapin S
Claytonia multiscapa ssp. pacifica Pacific lanceleaved springbeauty E
Cochlearia groenlandica scurvygrass T
Erigeron aliceae Alice's fleabane S
Githopsis specularioides common bluecup S
Hedysarum occidentale western hedysarum S H
Heterotheca oregona Oregon goldenaster S H
Lobelia dortmanna water lobelia S
Ophioglossum pusillum adder's-tongue S
Parnassia palustris marsh grass-of-Parnassus S
Pellaea breweri Brewer's cliffbrake S
Plectritis brachystemon shortspur seablush S
Potamogeton obtusifolius bluntleaf pondweed S
Umbilicaria scholanderi Scholander's navel lichen E H
Usnea longissima beard lichen S
Woodwardia fimbriata giant chain fern S
Washington Natural Heritage Rare Plants and Nonvasculars
Okanogan County
State Federal
Scientific Name Common Name Status Status Historical
Page 1 of 2
November 2019
Achnatherum richardsonii Richardson's needlegrass S
Agoseris aurantiaca var. carnea pink agoseris S
Agoseris elata tall agoseris S
Agrostis mertensii northern bentgrass S
Alectoria nigricans witch's hair lichen T
Antennaria corymbosa meadow pussytoes T
Arctoparmelia incurva arctoparmelia lichen E
Astragalus arrectus Palouse milkvetch T H
Blitum spathulatum prostrate povertyweed T
Botrychium ascendens triangular-lobed moonwort S
Botrychium paradoxum two-spiked moonwort T
Carex capillaris hair-like sedge T
Carex capitata capitate sedge T
Carex chordorrhiza cordroot sedge T
Carex cordillerana cordilleran sedge S
Carex gynocrates yellow bog sedge S
Carex heteroneura smooth-fruited sedge S
Carex media intermediate sedge S
Carex proposita Smoky Mountain sedge S
Carex scirpoidea ssp. scirpoidea Canadian single-spike sedge S
Carex sychnocephala many-headed sedge S
Carex tenera var. tenera quill sedge S
Carex tenuiflora sparse-flowered sedge S
Carex vallicola valley sedge S
Chaenotheca subroscida needle lichen S
Chrysosplenium tetrandrum northern golden-carpet S
Comastoma tenellum slender gentian T
Crataegus phippsii Phipps' hawthorn S
Cryptantha spiculifera Snake River cryptantha S
Cryptogramma stelleri Steller's rockbrake S
Cypripedium parviflorum yellow lady's-slipper S
Dactylina arctica arctic dactylina lichen E H
Dactylina ramulosa dactylina lichen E
Dactylorhiza viridis long-bract frog orchid T
Dermatocarpon meiophyllizum silverskin lichen T
Draba aurea golden draba S
Draba cana lance-leaved draba S
Draba taylori Taylor’s draba E
Eleocharis rostellata beaked spike-rush S
Erigeron salishii Salish fleabane S
Eriophorum viridicarinatum green keeled cottongrass S
Eritrichium argenteum pale alpine forget-me-not S
Erythranthe patula stalk-leaved monkeyflower T
Erythranthe pulsiferae Pulsifer's monkeyflower S H
Washington Natural Heritage Rare Plants and Nonvasculars
Okanogan County
State Federal
Scientific Name Common Name Status Status Historical
Page 2 of 2
November 2019
Erythranthe suksdorfii Suksdorf's monkeyflower S
Erythranthe washingtonensis Washington monkeyflower X H
Gentiana glauca glaucous gentian S
Geum rivale water avens S
Githopsis specularioides common bluecup S H
Isoetes minima midget quillwort S
Lathrocasis tenerrima delicate gilia T
Lomatium sandbergii Sandberg's desert-parsley X H
Luzula arcuata ssp. unalaschcensis curved woodrush T
Nephroma occultum kidney lichen S
Ophioglossum pusillum adder's-tongue S
Oxytropis campestris var. columbiana Columbia crazyweed E
Oxytropis campestris var. gracilis slender crazyweed S
Packera bolanderi var. harfordii Harford's ragwort S H
Packera porteri Porter's butterweed E
Parnassia kotzebuei Kotzebue's grass-of-Parnassus T
Pellaea breweri Brewer's cliffbrake S
Penstemon wilcoxii Wilcox's beardtongue T
Polemonium viscosum skunk polemonium S
Potamogeton obtusifolius bluntleaf pondweed S
Potentilla glaucophylla var. perdissecta diverse-leaved cinquefoil S
Potentilla nivea snow cinquefoil S
Rubus arcticus ssp. acaulis nagoonberry T
Salix glauca var. villosa glaucous willow S
Salix maccalliana MacCalla's willow T
Saxifraga cernua nodding saxifrage S
Saxifraga hyperborea pygmy saxifrage S
Silene scouleri ssp. scouleri Scouler's catchfly S H
Sisyrinchium septentrionale northern blue-eyed grass S
Spiranthes diluvialis Ute ladies' tresses E LT
Spiranthes porrifolia western ladies'-tresses S
Thelypodium sagittatum ssp. sagittatum arrow thelypody T H
Tholurna dissimilis urn lichen S
Triglochin palustris marsh arrowgrass S
Vaccinium myrtilloides velvetleaf blueberry T
Washington Natural Heritage Rare Plants and Nonvasculars
Pacific County
State Federal
Scientific Name Common Name Status Status Historical
Page 1 of 1
November 2019
Abronia umbellata var. acutalata pink sand-verbena E
Baccharis pilularis ssp. consanguinea coyotebush T
Brotherella roellii Roll's golden log moss T H
Carex macrochaeta longawn sedge T
Castilleja chambersii Chambers paintbrush S
Cladonia portentosa ssp. pacifica maritime reindeer lichen T
Dodecatheon austrofrigidum frigid shootingstar E
Erigeron aliceae Alice's fleabane S
Erioderma sorediatum erioderma lichen T
Erythronium revolutum pink fawn-lily S
Euonymus occidentalis var. occidentalis western wahoo S
Filipendula occidentalis queen-of-the-forest S
Heterodermia leucomela shield lichen E
Hypogymnia heterophylla tube lichen S
Iwatsukiella leucotricha Iwatsukiella moss E
Lycopodiella inundata bog clubmoss S
Parnassia palustris marsh grass-of-Parnassus S
Poa laxiflora loose-flowered bluegrass S
Poa unilateralis ssp. pachypholis ocean-bluff bluegrass T
Polemonium carneum great polemonium T H
Ramalina thrausta cartilage lichen T
Sanicula arctopoides bear's-foot sanicle E
Usnea longissima beard lichen S
Usnea subgracilis beard lichen S
Washington Natural Heritage Rare Plants and Nonvasculars
Pend Oreille County
State Federal
Scientific Name Common Name Status Status Historical
Page 1 of 1
November 2019
Antennaria corymbosa meadow pussytoes T
Astragalus microcystis least bladdery milkvetch S
Botrychium ascendens triangular-lobed moonwort S
Botrychium hesperium western moonwort S
Botrychium michiganense Michigan moonwort T
Botrychium paradoxum two-spiked moonwort T
Botrychium pedunculosum stalked moonwort S
Carex capillaris hair-like sedge T
Carex cordillerana cordilleran sedge S
Carex eburnea bristleleaf sedge T
Carex rostrata beaked sedge S
Carex sychnocephala many-headed sedge S
Carex tenera var. tenera quill sedge S
Cicuta bulbifera bulb-bearing water-hemlock S
Collema nigrescens jelly lichen S
Cryptogramma stelleri Steller's rockbrake S
Dendrolycopodium dendroideum treelike clubmoss S
Dryas drummondii var. drummondii yellow mountain-avens S
Dryopteris cristata crested shield-fern S
Eleocharis rostellata beaked spike-rush S
Eriophorum viridicarinatum green keeled cottongrass S
Gaultheria hispidula creeping snowberry S
Geum rivale water avens S
Hypericum majus Canadian St. John's-wort S
Lomatium sandbergii Sandberg's desert-parsley X H
Muhlenbergia glomerata marsh muhly S
Nephroma occultum kidney lichen S
Ophioglossum pusillum adder's-tongue S
Ramalina thrausta cartilage lichen T
Salix candida hoary willow T
Salix maccalliana MacCalla's willow T
Salix pseudomonticola false mountain willow S
Sisyrinchium montanum var. montanum strict blue-eyed-grass T
Sisyrinchium septentrionale northern blue-eyed grass S
Solorina saccata chocolate chip lichen E
Spartina pectinata prairie cordgrass S
Symphyotrichum boreale rush aster T
Triglochin palustris marsh arrowgrass S H
Utricularia intermedia flat-leaved bladderwort S
Washington Natural Heritage Rare Plants and Nonvasculars
Pierce County
State Federal
Scientific Name Common Name Status Status Historical
Page 1 of 1
November 2019
Actaea elata var. elata tall bugbane S H
Agoseris elata tall agoseris S H
Alectoria nigricans witch's hair lichen T
Arenaria paludicola swamp sandwort X LE H
Botrychium ascendens triangular-lobed moonwort S
Brodiaea rosea ssp. rosea harvest brodiaea X H
Brotherella roellii Roll's golden log moss T H
Carex macrochaeta longawn sedge T H
Carex proposita Smoky Mountain sedge S H
Castilleja cryptantha obscure paintbrush S
Castilleja levisecta golden paintbrush T LT H
Chaenactis thompsonii Thompson's chaenactis S H
Cirsium remotifolium var. remotifolium weak thistle S H
Collema nigrescens jelly lichen S
Encalypta brevicollis candle-snuffer moss E H
Githopsis specularioides common bluecup S H
Heterotheca oregona Oregon goldenaster S
Howellia aquatilis water howellia T LT
Lathyrus torreyi Torrey's peavine T
Leptosiphon minimus true babystars S H
Luzula arcuata ssp. unalaschcensis curved woodrush T H
Lycopodiella inundata bog clubmoss S
Meconella oregana white meconella E H
Microseris borealis northern microseris S
Montia diffusa branching montia S H
Nuttallanthus texanus Texas toadflax T
Oxytropis campestris var. gracilis slender crazyweed S H
Pedicularis rainierensis Mt. Rainier lousewort S
Pityopus californicus pine-foot T H
Polystichum californicum California swordfern T
Pseudocyphellaria rainierensis Rainier pseudocyphellaria lichen S
Ranunculus populago mountain buttercup S
Saxifraga hyperborea pygmy saxifrage S H
Scribneria bolanderi Scribner's grass T
Sericocarpus rigidus white-top aster S
Silene scouleri ssp. scouleri Scouler's catchfly S
Symphyotrichum boreale rush aster T
Tholurna dissimilis urn lichen S
Trillium albidum ssp. parviflorum small-flowered trillium S
Umbilicaria lyngei Lynge's navel lichen E H
Usnea lambii beard lichen T H
Usnea longissima beard lichen S
Woodwardia fimbriata giant chain fern S
Washington Natural Heritage Rare Plants and Nonvasculars
San Juan County
State Federal
Scientific Name Common Name Status Status Historical
Page 1 of 1
November 2019
Brodiaea rosea ssp. rosea harvest brodiaea X H
Bryoria tenuis pied horsehair lichen E
Carex pauciflora few-flowered sedge S
Castilleja levisecta golden paintbrush T LT
Castilleja victoriae Victoria's paintbrush E
Crassula connata erect pygmyweed T
Isoetes nuttallii Nuttall's quillwort S
Kaernefeltia californica kaernefeltia lichen T H
Lepidium oxycarpum sharpfruited peppergrass E
Leptosiphon minimus true babystars S
Liparis loeselii bog twayblade E
Lobelia dortmanna water lobelia S
Lupinus pachylobus big-pod lupine S
Meconella oregana white meconella E
Microseris bigelovii coast microseris X H
Niebla cephalota niebla lichen S
Ophioglossum pusillum adder's-tongue S
Orthocarpus bracteosus rosy owl's-clover T H
Oxytropis campestris var. gracilis slender crazyweed S
Packera macounii Siskiyou Mountain ragwort T
Plectritis brachystemon shortspur seablush S
Potamogeton obtusifolius bluntleaf pondweed S
Ramalina pollinaria powdery twig lichen T
Ranunculus californicus California buttercup T
Sanicula arctopoides bear's-foot sanicle E
Sericocarpus rigidus white-top aster S
Symphyotrichum boreale rush aster T
Thelomma mammosum thelomma lichen S
Washington Natural Heritage Rare Plants and Nonvasculars
Skagit County
State Federal
Scientific Name Common Name Status Status Historical
Page 1 of 1
November 2019
Alectoria nigricans witch's hair lichen T
Brotherella roellii Roll's golden log moss T H
Carex pauciflora few-flowered sedge S
Carex proposita Smoky Mountain sedge S
Carex stylosa long-styled sedge S
Castilleja levisecta golden paintbrush T LT H
Cladonia poroscypha a lichen E
Cladonia portentosa ssp. pacifica maritime reindeer lichen T
Eleocharis mamillata ssp. mamillata soft-stemmed spikerush S
Erythronium revolutum pink fawn-lily S H
Fritillaria camschatcensis black lily T
Hypericum majus Canadian St. John's-wort S
Hypotrachyna revoluta hypotrachyna lichen E
Impatiens noli-tangere western jewel-weed T
Kaernefeltia californica kaernefeltia lichen T
Kalmia procumbens alpine azalea T H
Leptosiphon minimus true babystars S
Lobelia dortmanna water lobelia S
Luzula arcuata ssp. unalaschcensis curved woodrush T
Meconella oregana white meconella E H
Montia diffusa branching montia S
Niebla cephalota niebla lichen S H
Nuttallanthus texanus Texas toadflax T
Orthocarpus bracteosus rosy owl's-clover T H
Packera macounii Siskiyou Mountain ragwort T
Plectritis brachystemon shortspur seablush S
Potamogeton obtusifolius bluntleaf pondweed S H
Pseudocyphellaria rainierensis Rainier pseudocyphellaria lichen S
Ramalina pollinaria powdery twig lichen T
Salix sessilifolia soft-leaved willow S
Saxifraga hyperborea pygmy saxifrage S
Solorina saccata chocolate chip lichen E
Thelomma mammosum thelomma lichen S H
Usnea longissima beard lichen S
Usnea quasirigida a beard lichen T
Washington Natural Heritage Rare Plants and Nonvasculars
Skamania County
State Federal
Scientific Name Common Name Status Status Historical
Page 1 of 2
November 2019
Actaea elata var. elata tall bugbane S
Actaea laciniata Mt. Hood bugbane S
Alectoria nigricans witch's hair lichen T
Ammannia robusta grand redstem T H
Arctoparmelia incurva arctoparmelia lichen E
Artemisia campestris var. wormskioldii Wormskiold's northern wormwood E H
Bergia texana Texas bergia X H
Bolandra oregana Oregon bolandra T
Carex densa dense sedge S H
Carex macrochaeta longawn sedge T
Carex proposita Smoky Mountain sedge S
Chaenotheca subroscida needle lichen S
Chrysolepis chrysophylla var. chrysophylla golden chinquapin S
Cirsium remotifolium var. remotifolium weak thistle S
Collema nigrescens jelly lichen S
Collinsia sparsiflora var. sparsiflora few-flower blue-eyed Mary T H
Corydalis aquae-gelidae Clackamas corydalis T
Dactylina arctica arctic dactylina lichen E H
Dermatocarpon meiophyllizum silverskin lichen T
Diplacus cusickioides Cusick’s monkeyflower T H
Erigeron howellii Howell's daisy T
Erigeron oreganus gorge daisy T
Eriophorum viridicarinatum green keeled cottongrass S
Erythranthe jungermannioides liverwort monkeyflower X H
Erythranthe pulsiferae Pulsifer's monkeyflower S
Erythranthe suksdorfii Suksdorf's monkeyflower S H
Erythranthe washingtonensis Washington monkeyflower X H
Fritillaria camschatcensis black lily T
Githopsis specularioides common bluecup S
Hackelia diffusa var. diffusa diffuse stickseed T H
Hedysarum occidentale western hedysarum S
Hypotrachyna revoluta hypotrachyna lichen E
Isoetes nuttallii Nuttall's quillwort S H
Juncus howellii Howell's rush T
Juncus kelloggii Kellogg's rush E H
Leptogium burnetiae Burnet's skin lichen E
Leptogium cyanescens skin lichen E
Leymus flavescens yellow wildrye S H
Lipocarpha aristulata awned halfchaff sedge T H
Lycopodiella inundata bog clubmoss S
Meconella oregana white meconella E H
Microseris borealis northern microseris S
Mimetanthe pilosa false monkeyflower S H
Montia diffusa branching montia S
Washington Natural Heritage Rare Plants and Nonvasculars
Skamania County
State Federal
Scientific Name Common Name Status Status Historical
Page 2 of 2
November 2019
Nephroma occultum kidney lichen S
Nicotiana attenuata coyote tobacco S H
Orthocarpus bracteosus rosy owl's-clover T
Oxalis suksdorfii western yellow oxalis X H
Packera bolanderi var. harfordii Harford's ragwort S
Parnassia cirrata var. intermedia Cascade grass-of-Parnassus T
Peltigera hydrothyria hydrothyria lichen S
Penstemon barrettiae Barrett's beardtongue T H
Penstemon wilcoxii Wilcox's beardtongue T
Perideridia oregana Oregon yampah X H
Plectritis brachystemon shortspur seablush S H
Polemonium carneum great polemonium T
Polystichum californicum California swordfern T
Potentilla newberryi Newberry's cinquefoil X H
Pseudocyphellaria rainierensis Rainier pseudocyphellaria lichen S
Ranunculus hebecarpus downy buttercup T H
Rorippa columbiae Columbia yellowcress T
Rotala ramosior lowland toothcup S H
Sabulina pusilla annual sandwort T H
Salix sessilifolia soft-leaved willow S H
Scouleria marginata marginate splashzone moss T H
Scribneria bolanderi Scribner's grass T H
Sericocarpus oregonensis ssp. oregonensis Oregon white-top aster T
Sisyrinchium sarmentosum pale blue-eyed grass T
Spiranthes porrifolia western ladies'-tresses S
Sullivantia oregana Oregon sullivantia E
Tholurna dissimilis urn lichen S
Umbilicaria lambii Lamb's navel lichen E
Usnea lambii beard lichen T
Usnea longissima beard lichen S
Utricularia intermedia flat-leaved bladderwort S
Wyethia angustifolia California compassplant S H
Washington Natural Heritage Rare Plants and Nonvasculars
Snohomish County
State Federal
Scientific Name Common Name Status Status Historical
Page 1 of 1
November 2019
Acroscyphus sphaerophoroides crab eye lichen E
Agoseris elata tall agoseris S
Alectoria nigricans witch's hair lichen T
Arcteranthis cooleyae Cooley's buttercup T
Bartramiopsis lescurii false apple moss E
Botrychium hesperium western moonwort S
Botrychium pedunculosum stalked moonwort S H
Campanula lasiocarpa Alaska harebell S
Carex pauciflora few-flowered sedge S
Carex pluriflora several-flowered sedge S
Carex proposita Smoky Mountain sedge S
Carex stylosa long-styled sedge S
Cassiope lycopodioides clubmoss cassiope T
Coptis aspleniifolia spleenwort-leaved goldthread S
Dendrolycopodium dendroideum treelike clubmoss S
Dryas drummondii var. drummondii yellow mountain-avens S
Erigeron salishii Salish fleabane S H
Fritillaria camschatcensis black lily T
Leptogium burnetiae Burnet's skin lichen E
Leptogium cyanescens skin lichen E
Lobelia dortmanna water lobelia S H
Montia diffusa branching montia S H
Nephroma occultum kidney lichen S
Packera bolanderi var. harfordii Harford's ragwort S H
Peltigera hydrothyria hydrothyria lichen S
Platanthera chorisiana Choris' bog-orchid T
Pseudocyphellaria rainierensis Rainier pseudocyphellaria lichen S
Ramalina pollinaria powdery twig lichen T H
Saxifraga hyperborea pygmy saxifrage S
Swertia perennis swertia T
Tholurna dissimilis urn lichen S
Usnea lambii beard lichen T H
Usnea longissima beard lichen S
Utricularia intermedia flat-leaved bladderwort S
Washington Natural Heritage Rare Plants and Nonvasculars
Spokane County
State Federal
Scientific Name Common Name Status Status Historical
Page 1 of 1
November 2019
Ammannia robusta grand redstem T
Carex cordillerana cordilleran sedge S H
Cypripedium parviflorum yellow lady's-slipper S
Eryngium articulatum jointed coyote-thistle X H
Hackelia cinerea gray stickseed T
Howellia aquatilis water howellia T LT
Hypericum majus Canadian St. John's-wort S
Impatiens noli-tangere western jewel-weed T H
Isoetes minima midget quillwort S H
Juncus hemiendytus var. hemiendytus dwarf rush T
Juncus uncialis inch-high rush T
Lomatium tenuissimum Leiberg's tauschia X H
Muhlenbergia glomerata marsh muhly S H
Myosurus alopecuroides foxtail mousetail T
Penstemon eriantherus var. whitedii Whited's fuzzytongue penstemon T
Penstemon wilcoxii Wilcox's beardtongue T
Pilularia americana American pillwort T
Polygonum austiniae Austin's knotweed T
Pyrrocoma liatriformis smallhead goldenweed T
Ribes oxyacanthoides var. irriguum Idaho gooseberry T
Rotala ramosior lowland toothcup S
Sabulina pusilla annual sandwort T H
Schoenoplectus saximontanus Rocky Mountain bulrush T
Sclerolinon digynum northwestern yellowflax S
Scouleria marginata marginate splashzone moss T H
Silene scouleri ssp. scouleri Scouler's catchfly S H
Silene spaldingii Spalding's catchfly T LT
Spartina pectinata prairie cordgrass S
Washington Natural Heritage Rare Plants and Nonvasculars
Stevens County
State Federal
Scientific Name Common Name Status Status Historical
Page 1 of 1
November 2019
Achnatherum richardsonii Richardson's needlegrass S
Astragalus microcystis least bladdery milkvetch S
Botrychium ascendens triangular-lobed moonwort S
Botrychium hesperium western moonwort S
Botrychium michiganense Michigan moonwort T
Botrychium paradoxum two-spiked moonwort T
Botrychium pedunculosum stalked moonwort S
Carex cordillerana cordilleran sedge S
Cicuta bulbifera bulb-bearing water-hemlock S
Cryptogramma stelleri Steller's rockbrake S
Cypripedium parviflorum yellow lady's-slipper S
Dryas drummondii var. drummondii yellow mountain-avens S
Dryopteris cristata crested shield-fern S
Geum rivale water avens S
Hackelia cinerea gray stickseed T
Ophioglossum pusillum adder's-tongue S
Oxytropis campestris var. columbiana Columbia crazyweed E
Pellaea breweri Brewer's cliffbrake S
Pellaea gastonyi Gastony's cliffbrake T
Physaria didymocarpa ssp. didymocarpa common twinpod X H
Salix candida hoary willow T
Salix maccalliana MacCalla's willow T
Schizachyrium scoparium var. scoparium little bluestem T
Silene scouleri ssp. scouleri Scouler's catchfly S
Sisyrinchium septentrionale northern blue-eyed grass S
Triglochin palustris marsh arrowgrass S H
Washington Natural Heritage Rare Plants and Nonvasculars
Thurston County
State Federal
Scientific Name Common Name Status Status Historical
Page 1 of 1
November 2019
Actaea elata var. elata tall bugbane S
Agoseris elata tall agoseris S H
Carex densa dense sedge S
Castilleja levisecta golden paintbrush T LT
Cicuta bulbifera bulb-bearing water-hemlock S
Cirsium remotifolium var. remotifolium weak thistle S H
Cladonia ciliata var. ciliata cup lichen E
Cladonia ciliata var. tenuis cup lichen E
Cladonia novochlorophaea novochlorophaeic pixie-cup lichen E
Cladonia portentosa ssp. pacifica maritime reindeer lichen T
Collema nigrescens jelly lichen S
Erythronium revolutum pink fawn-lily S H
Euonymus occidentalis var. occidentalis western wahoo S
Githopsis specularioides common bluecup S
Heterotheca oregona Oregon goldenaster S
Howellia aquatilis water howellia T LT
Hypericum majus Canadian St. John's-wort S
Hypogymnia heterophylla tube lichen S
Isoetes nuttallii Nuttall's quillwort S
Lathyrus vestitus var. ochropetalus Pacific pea E
Leptosiphon minimus true babystars S
Lycopodiella inundata bog clubmoss S H
Nuttallanthus texanus Texas toadflax T
Pityopus californicus pine-foot T
Polemonium carneum great polemonium T
Polystichum californicum California swordfern T
Potamogeton obtusifolius bluntleaf pondweed S
Sericocarpus rigidus white-top aster S
Sidalcea virgata rose checkermallow T
Silene scouleri ssp. scouleri Scouler's catchfly S
Symphyotrichum hallii Hall's aster T
Trillium albidum ssp. parviflorum small-flowered trillium S
Whipplea modesta yerba de selva T
Woodwardia fimbriata giant chain fern S
Wyethia angustifolia California compassplant S
Washington Natural Heritage Rare Plants and Nonvasculars
Wahkiakum County
State Federal
Scientific Name Common Name Status Status Historical
Page 1 of 1
November 2019
Actaea elata var. elata tall bugbane S H
Erigeron oreganus gorge daisy T
Erythronium revolutum pink fawn-lily S
Packera bolanderi var. harfordii Harford's ragwort S H
Poa laxiflora loose-flowered bluegrass S
Salix sessilifolia soft-leaved willow S
Samolus parviflorus water pimpernel T
Sidalcea hirtipes bristly-stemmed checkermallow T
Washington Natural Heritage Rare Plants and Nonvasculars
Walla Walla County
State Federal
Scientific Name Common Name Status Status Historical
Page 1 of 1
November 2019
Aliciella leptomeria Great Basin gilia T H
Astragalus kentrophyta var. douglasii thistle milkvetch X H
Astragalus misellus var. pauper pauper milkvetch S H
Cryptantha leucophaea gray cryptantha T
Cryptantha rostellata beaked cryptantha T H
Erythranthe pulsiferae Pulsifer's monkeyflower S H
Leymus flavescens yellow wildrye S H
Lomatium serpentinum Snake Canyon desert-parsley S H
Lupinus sabinianus Sabin's lupine E
Mimetanthe pilosa false monkeyflower S H
Nicotiana attenuata coyote tobacco S H
Penstemon pennellianus Blue Mountain penstemon T
Phlox solivaga yeti phlox E H
Sabulina pusilla annual sandwort T H
Trifolium plumosum var. plumosum plumed clover T
Washington Natural Heritage Rare Plants and Nonvasculars
Whatcom County
State Federal
Scientific Name Common Name Status Status Historical
Page 1 of 1
November 2019
Actaea elata var. elata tall bugbane S
Agoseris elata tall agoseris S
Alectoria nigricans witch's hair lichen T
Botrychium ascendens triangular-lobed moonwort S
Botrychium pedunculosum stalked moonwort S
Carex capitata capitate sedge T H
Carex heteroneura smooth-fruited sedge S
Carex pauciflora few-flowered sedge S
Carex pluriflora several-flowered sedge S
Carex scirpoidea ssp. scirpoidea Canadian single-spike sedge S H
Carex stylosa long-styled sedge S
Cicuta bulbifera bulb-bearing water-hemlock S
Dendrolycopodium dendroideum treelike clubmoss S
Dermatocarpon moulinsii Moulins' silverskin lichen E
Draba aurea golden draba S
Eleocharis mamillata ssp. mamillata soft-stemmed spikerush S
Epilobium mirabile Olympic Mountain willowherb S
Eutrochium maculatum var. bruneri spotted Joe-Pye weed X H
Gentiana glauca glaucous gentian S
Hypericum majus Canadian St. John's-wort S
Impatiens noli-tangere western jewel-weed T
Lobelia dortmanna water lobelia S H
Lycopodiella inundata bog clubmoss S
Lycopodium lagopus one-cone clubmoss S
Nephroma occultum kidney lichen S
Nymphaea tetragona pygmy water-lily X H
Orthocarpus bracteosus rosy owl's-clover T H
Oxytropis campestris var. gracilis slender crazyweed S H
Pseudocyphellaria rainierensis Rainier pseudocyphellaria lichen S
Sabulina sororia Twin Sisters sandwort E
Salix sessilifolia soft-leaved willow S
Salix vestita rock willow X H
Saxifraga hyperborea pygmy saxifrage S
Solorina saccata chocolate chip lichen E H
Tholurna dissimilis urn lichen S
Umbilicaria lyngei Lynge's navel lichen E H
Usnea longissima beard lichen S
Usnea quasirigida a beard lichen T
Washington Natural Heritage Rare Plants and Nonvasculars
Whitman County
State Federal
Scientific Name Common Name Status Status Historical
Page 1 of 1
November 2019
Allium bisceptrum twincrest onion T
Ammannia robusta grand redstem T
Astragalus arrectus Palouse milkvetch T
Astragalus riparius Piper's milkvetch T
Bergia texana Texas bergia X H
Calochortus macrocarpus var. maculosus sagebrush mariposa lily S
Calochortus nitidus broad-fruit mariposa lily E
Cryptantha rostellata beaked cryptantha T
Eleocharis coloradoensis dwarf spike-rush X H
Eryngium articulatum jointed coyote-thistle X H
Erythranthe pulsiferae Pulsifer's monkeyflower S H
Erythranthe washingtonensis Washington monkeyflower X H
Githopsis specularioides common bluecup S H
Leymus flavescens yellow wildrye S H
Lipocarpha aristulata awned halfchaff sedge T H
Lomatium serpentinum Snake Canyon desert-parsley S H
Mimetanthe pilosa false monkeyflower S H
Myriopteris gracilis Fee's lip-fern T H
Oenothera cespitosa ssp. marginata tufted evening-primrose T H
Penstemon wilcoxii Wilcox's beardtongue T H
Polemonium pectinatum Washington polemonium T
Pyrrocoma liatriformis smallhead goldenweed T
Ranunculus hebecarpus downy buttercup T H
Ribes oxyacanthoides var. irriguum Idaho gooseberry T H
Rotala ramosior lowland toothcup S H
Rubus nigerrimus northwest raspberry T
Sabulina pusilla annual sandwort T H
Sclerolinon digynum northwestern yellowflax S H
Silene spaldingii Spalding's catchfly T LT
Spartina pectinata prairie cordgrass S
Symphyotrichum jessicae Jessica's aster E
Trifolium douglasii Douglas' clover E H
Washington Natural Heritage Rare Plants and Nonvasculars
Yakima County
State Federal
Scientific Name Common Name Status Status Historical
Page 1 of 2
November 2019
Agoseris elata tall agoseris S
Allium campanulatum Sierra onion T
Aphyllon californicum ssp. grayanum Gray's broomrape E
Arctoparmelia incurva arctoparmelia lichen E
Astragalus columbianus Columbia milkvetch S
Astragalus misellus var. pauper pauper milkvetch S
Calochortus longebarbatus var. longebarbatus long-bearded mariposa lily S
Carex davyi Davy's sedge X H
Carex densa dense sedge S H
Carex heteroneura smooth-fruited sedge S H
Carex macrochaeta longawn sedge T H
Castilleja cryptantha obscure paintbrush S
Chaenactis thompsonii Thompson's chaenactis S H
Chaenotheca subroscida needle lichen S
Collomia macrocalyx bristle-flowered collomia T
Cryptantha gracilis narrow-stem cryptantha S
Cryptantha leucophaea gray cryptantha T
Cryptantha rostellata beaked cryptantha T H
Cryptantha scoparia desert cryptantha S H
Cryptantha spiculifera Snake River cryptantha S
Eleocharis rostellata beaked spike-rush S
Eremothera minor small-flower evening-primrose S H
Eremothera pygmaea dwarf evening-primrose S
Erigeron basalticus basalt daisy T
Eriogonum maculatum spotted buckwheat X H
Erythranthe pulsiferae Pulsifer's monkeyflower S
Erythranthe suksdorfii Suksdorf's monkeyflower S
Hackelia diffusa var. diffusa diffuse stickseed T
Heterotheca oregona Oregon goldenaster S
Juncus hemiendytus var. hemiendytus dwarf rush T
Juncus kelloggii Kellogg's rush E
Lipocarpha aristulata awned halfchaff sedge T H
Lobelia kalmii Kalm's lobelia E
Lomatium lithosolamans Hoover's tauschia S
Lomatium tuberosum Hoover's desert-parsley S
Luzula arcuata ssp. unalaschcensis curved woodrush T
Microseris borealis northern microseris S
Mimetanthe pilosa false monkeyflower S H
Myosurus sessilis shortstemmed mouse-tail E
Nicotiana attenuata coyote tobacco S
Oenothera cespitosa ssp. cespitosa cespitose evening-primrose S H
Oenothera flava ssp. flava long-tubed evening-primrose X H
Orthocarpus bracteosus rosy owl's-clover T
Pedicularis rainierensis Mt. Rainier lousewort S H
Washington Natural Heritage Rare Plants and Nonvasculars
Yakima County
State Federal
Scientific Name Common Name Status Status Historical
Page 2 of 2
November 2019
Pediocactus nigrispinus snowball cactus S
Plectritis brachystemon shortspur seablush S H
Potentilla breweri Brewer's cinquefoil T
Scouleria marginata marginate splashzone moss T H
Silene scouleri ssp. scouleri Scouler's catchfly S H
Texosporium sancti-jacobi woven-spore lichen T
Thelypodium howellii ssp. howellii Howell's thelypody X H
Usnea lambii beard lichen T
Description of Codes
Historical:
H indicates occurrence has not been reconfirmed for 40 or more years.
State Status
State Status of plant species is determined by the Washington Natural Heritage Program. Factors considered include abundance,
occurrence patterns, vulnerability, threats, existing protection, and taxonomic distinctness.
Values include:
E = Endangered. In danger of becoming extinct or extirpated from Washington.
T = Threatened. Likely to become Endangered in Washington.
S = Sensitive. Vulnerable or declining and could become Endangered or Threatened in the state.
X = Possibly extinct or Extirpated from Washington.
R1 = Review group 1. Of potential concern but needs more field work to assign another rank.
R2 = Review group 2. Of potential concern but with unresolved taxonomic questions.
Federal Status
Federal Status under the U.S. Endangered Species Act(USESA) as published in the Federal Register:
LE = Listed Endangered. In danger of extinction.
LT = Listed Threatened. Likely to become endangered.
PE = Proposed Endangered.
PT = Proposed Threatened.
C = Candidate species. Sufficient information exists to support listing as Endangered or Threatened.
SC = Species of Concern. An unofficial status, the species appears to be in jeopardy, but insufficient information to support listing.