List of plant species described in the Washington Natural Heritage Program Rare Plant Field Guide at http://www1.dnr.wa.gov/nhp/refdesk/fguide/htm/fgmain.htm.

Scientific Name Common Name

Abronia umbellata var. breviflora Pink Sand-verbena Agoseris elata Tall Agoseris Agrostis borealis Northern Bentgrass Allium bisceptrum var. bisceptrum Twincrest Onion Allium campanulatum Sierra Onion Allium constrictum Constricted Douglas' Onion Allium dictuon Blue Mountain Onion Ammannia robusta Grand Redstem Anemone nuttalliana Pasqueflower Antennaria corymbosa Meadow Pussy-toes Antennaria parvifolia Nuttall's Pussy-toes Arabis crucisetosa Cross-haired Rockcress Arenaria paludicola Swamp Sandwort Artemisia borealis var. wormskioldii Northern Wormwood Asclepias cryptoceras ssp. davisii Davis' Milkweed Astragalus arrectus Palouse Milk-vetch Astragalus arthurii Arthur's Milk-vetch Astragalus australis var. olympicus Cotton's Milk-vetch Astragalus columbianus Columbia Milk-vetch Astragalus cusickii var. cusickii Cusick's Milk-vetch Astragalus diaphanus Transparent Milk-vetch Astragalus geyeri Geyer's Milk-vetch Astragalus kentrophyta var. douglasii Thistle Milk-vetch Astragalus microcystis Least Bladdery Milk-vetch Astragalus misellus var. pauper Pauper Milk-vetch Astragalus multiflorus Loose-flower Milk-vetch Astragalus pulsiferae var. suksdorfii Ames' Milk-vetch Astragalus riparius Piper's Milk-vetch Astragalus sinuatus Whited's Milk-vetch Baccharis pilularis Coyotebush Bergia texana Texas Bergia Bolandra oregana Bolandra Boschniakia hookeri Vancouver Ground-cone Botrychium ascendens Triangular-lobed Moonwort Botrychium crenulatum Crenulate Moonwort Botrychium hesperium Western Moonwort Botrychium lanceolatum Lance-leaved Grape-fern Botrychium lineare Skinny Moonwort Botrychium lunaria Moonwort Scientific Name Common Name

Botrychium paradoxum Two-spiked Moonwort Botrychium pedunculosum Stalked Moonwort Botrychium pinnatum St. John's Moonwort Botrychium simplex Little Grape-fern Brotherella roellii Roell's Brotherella Moss Buxbaumia viridis Buxbaumia Moss Calochortus longebarbatus var. longebarbatus Long-bearded Sego Lily Calochortus macrocarpus var. maculosus Sagebrush Mariposa-lily Calochortus nitidus Broad-fruit Mariposa Calyptridium roseum Rosy Pussypaws Camissonia minor Small-flower Evening-primrose Camissonia pygmaea Dwarf Evening-primrose Camissonia scapoidea Naked-stemmed Evening-primrose Campanula lasiocarpa Alaska Harebell Cardamine penduliflora Willamette Valley Bitter-cress Carex anthoxanthea Yellow-flowered Sedge Carex buxbaumii Buxbaum's Sedge Carex capillaris Hair-like Sedge Carex chordorrhiza Cordroot Sedge Carex circinata Coiled Sedge Carex comosa Bristly Sedge Carex densa Dense Sedge Carex dioica Yellow Bog Sedge Carex duriuscula Narrow-leaved Sedge Carex flava Yellow Sedge Carex foenea Bronze Sedge Carex hystericina Porcupine Sedge Carex macrochaeta Large-awn Sedge Carex magellanica ssp. irrigua Poor Sedge Carex media Intermediate Sedge Carex obtusata Blunt Sedge Carex pallescens Pale Sedge Carex pauciflora Few-flowered Sedge Carex pluriflora Several-flowered Sedge Carex praeceptorum Teacher's Sedge Carex proposita Smoky Mountain Sedge Carex rostrata Beaked Sedge Carex scirpoidea var. scirpoidea Canadian Single-spike Sedge Carex stylosa Long-styled Sedge Carex sychnocephala Many-headed Sedge Carex tenuiflora Sparse-leaved Sedge Carex vallicola Valley Sedge Scientific Name Common Name

Cassiope lycopodioides Clubmoss Cassiope Castilleja cryptantha Obscure Indian-paintbrush Castilleja levisecta Golden Paintbrush Centunculus minimus Chaffweed Chaenactis thompsonii Thompson's Chaenactis Cheilanthes feei Fee's Lip-fern Chrysolepis chrysophylla Golden Chinquapin Chrysosplenium tetrandrum Northern Golden-carpet Cicuta bulbifera Bulb-bearing Water-hemlock Cimicifuga elata var. elata Tall Bugbane Cochlearia officinalis Scurvygrass Coeloglossum viride Long-bract Frog Orchid Collinsia sparsiflora var. bruceae Few-flowered Collinsia Collomia macrocalyx Bristle-flowered Collomia Coptis aspleniifolia Spleenwort-leaved Goldthread Coptis trifolia Goldthread Corispermum pallidum Pale Bugseed Corydalis aquae-gelidae Clackamas Corydalis Crassula connata Erect Pygmy-weed Crataegus phippsii Phipps' Hawthorn Crepis bakeri ssp. idahoensis Idaho Hawksbeard Crumia latifolia Wideleaf Crumia Moss Cryptantha gracilis Narrow-stem Cryptantha Cryptantha leucophaea Gray Cryptantha Cryptantha rostellata Beaked Cryptantha Cryptantha scoparia Miner's Candle Cryptantha spiculifera Snake River Cryptantha Cryptogramma stelleri Steller's Rockbrake Cuscuta denticulata Desert Dodder Cusickiella douglasii Douglas' Draba Cyperus bipartitus Shining Flatsedge Cypripedium fasciculatum Clustered Lady's-slipper Cypripedium parviflorum Yellow Lady's-slipper Damasonium californicum Fringed Waterplantain Delphinium leucophaeum Pale Larkspur Delphinium viridescens Wenatchee Larkspur Discelium nudum Discelium Moss Dodecatheon austrofrigidum Frigid Shootingstar Draba aurea Golden Draba Draba cana Lance-leaved Draba Draba lonchocarpa var. vestita Lance-fruited Draba Draba longipes Long-stalked Draba Scientific Name Common Name

Dryas drummondii Yellow Mountain-avens Dryopteris carthusiana Toothed Wood Fern Dryopteris cristata Crested Shield-fern Eatonella nivea White Eatonella Eleocharis atropurpurea Purple Spike-rush Eleocharis rostellata Beaked Spike-rush Epipactis gigantea Giant Helleborine Erigeron aliceae Alice's Fleabane Erigeron basalticus Basalt Daisy Erigeron elatus Tall Bitter Fleabane Erigeron howellii Howell's Daisy Erigeron oreganus Gorge Daisy Erigeron peregrinus var. thompsonii Thompson's Wandering Daisy Erigeron piperianus Piper's Daisy Erigeron salishii Salish Fleabane Eriogonum codium Umtanum Desert Buckwheat Eriogonum maculatum Spotted Buckwheat Eriophorum viridicarinatum Green Keeled Cotton-grass Eritrichium nanum var. elongatum Pale Alpine-forget-me-not Eryngium articulatum Jointed Coyote-thistle Eryngium petiolatum Oregon Coyote-thistle Erythronium quinaultense Quinault Fawnlily Erythronium revolutum Pink Fawn-lily Euonymus occidentalis Western Wahoo Eupatorium maculatum var. bruneri Spotted Joe-pye Weed Eurybia merita Arctic Aster Filipendula occidentalis Queen-of-the-forest Fritillaria camschatcensis Black Lily Gaultheria hispidula Creeping Snowberry Gentiana douglasiana Swamp Gentian Gentiana glauca Glaucous Gentian Gentianella tenella Slender Gentian Geranium oreganum Oregon Crane's-bill Geum rivale Water Avens Geum rossii var. depressum Ross' Avens Gilia leptomeria Great Basin Gilia Githopsis specularioides Common Blue-cup Hackelia cinerea Gray Stickseed Hackelia diffusa var. diffusa Diffuse Stickseed Hackelia hispida var. disjuncta Sagebrush Stickseed Hackelia hispida var. hispida Rough Stickseed Hackelia venusta Showy Stickseed Scientific Name Common Name

Halimolobos perplexa var. perplexa Puzzling Rockcress Hedysarum occidentale Western Hedysarum Heterotheca oregona Oregon Goldenaster Heuchera grossulariifolia var. tenuifolia Gooseberry-leaved Alumroot Hierochloe odorata Common Northern Sweet Grass Howellia aquatilis Howellia Hydrocotyle ranunculoides Floating Water Pennywort Hypericum majus Canadian St. John's-wort Iliamna longisepala Longsepal Globemallow Isoetes minima Midget Quillwort Isoetes nuttallii Nuttall's Quillwort Iwatsukiella leucotricha Iwatsukiella Moss Juncus hemiendytus var. hemiendytus Dwarf Rush Juncus howellii Howell's Rush Juncus kelloggii Kellogg's Rush Juncus tiehmii Tiehm's Rush Juncus uncialis Inch-high Rush Lasthenia glaberrima Smooth Goldfields Lathyrus holochlorus Thin-leaved Peavine Lathyrus torreyi Torrey's Peavine Lathyrus vestitus ssp. bolanderi Pacific Pea Lepidium oxycarpum Sharpfruited Peppergrass Linanthus bolanderi Baker's Linanthus Linaria canadensis var. texana Texas Toadflax Liparis loeselii Twayblade Lipocarpha aristulata Awned Halfchaff Sedge Listera borealis Northern Twayblade Lobelia dortmanna Water Lobelia Lobelia kalmii Kalm's Lobelia Loeflingia squarrosa var. squarrosa Loeflingia Loiseleuria procumbens Alpine Azalea Lomatium bradshawii Bradshaw's Lomatium Lomatium cusickii Cusick's Desert-parsley Lomatium laevigatum Smooth Desert-parsley Lomatium rollinsii Rollins' Desert-parsley Lomatium sandbergii Sandberg's Desert-parsley Lomatium serpentinum Snake Canyon Desert-parsley Lomatium suksdorfii Suksdorf's Desert-parsley Lomatium tuberosum Hoover's Desert-parsley Lupinus sabinianus Sabin's Lupine Lupinus sericeus var. asotinensis Asotin Silky Lupine Lupinus sulphureus ssp. kincaidii Kincaid's Sulfur Lupine Scientific Name Common Name

Luzula arcuata Curved Woodrush Lycopodiella inundata Bog Clubmoss Lycopodium dendroideum Treelike Clubmoss Meconella oregana White Meconella Meesia uliginosa Meesia Moss Microseris bigelovii Coast Microseris Microseris borealis Northern Microseris Mimulus clivicola Bank Monkey-flower Mimulus cusickii Cusick Monkeyflower Mimulus jungermannioides Liverwort Monkey-flower Mimulus patulus Stalk-leaved Monkeyflower Mimulus pulsiferae Pulsifer's Monkey-flower Mimulus suksdorfii Suksdorf's Monkey-flower Minuartia nuttallii ssp. fragilis Nuttall's Sandwort Minuartia pusilla var. pusilla Annual Sandwort Monolepis pusilla Red Poverty-weed Montia diffusa Branching Montia Muhlenbergia glomerata Marsh Muhly Myosurus clavicaulis Mousetail Myriophyllum ussuriense Ussurian Water-milfoil Myurella julacea Myurella Moss Navarretia tagetina Marigold Navarretia Nicotiana attenuata Coyote Tobacco Nymphaea tetragona Pygmy Water-lily Oenothera caespitosa ssp. caespitosa Cespitose Evening-primrose Oenothera caespitosa ssp. marginata Tufted Evening-primrose Oenothera flava Long-tubed Evening-primrose Ophioglossum pusillum Adder's-tongue Opuntia fragilis Brittle Prickly-pear Orthocarpus bracteosus Rosy Owl-clover Oxalis suksdorfii Western Yellow Oxalis Oxytropis borealis var. viscida Sticky Crazyweed Oxytropis campestris var. columbiana Columbia Crazyweed Oxytropis campestris var. gracilis Slender Crazyweed Oxytropis campestris var. wanapum Wanapum Crazyweed Packera porteri Porter's Butterweed Parnassia fimbriata var. hoodiana Fringed Grass-of-parnassus Parnassia kotzebuei Kotzebue's Grass-of-parnassus Parnassia palustris var. neogaea Northern Grass-of-parnassus Pedicularis rainierensis Mt. Rainier Lousewort Pediocactus nigrispinus Snowball Cactus Pellaea brachyptera Sierra Cliff-brake Scientific Name Common Name

Pellaea breweri Brewer's Cliff-brake Penstemon barrettiae Barrett's Beardtongue Penstemon deustus var. variabilis Hot-rock Penstemon Penstemon eriantherus var. whitedii Fuzzytongue Penstemon Penstemon wilcoxii Wilcox's Penstemon Perideridia oregana Oregon Yampah Petrophyton caespitosum var. caespitosum Rocky Mountain Rockmat Petrophyton cinerascens Chelan Rockmat Phacelia lenta Sticky Phacelia Phacelia minutissima Least Phacelia Phacelia tetramera Dwarf Phacelia Physaria didymocarpa var. didymocarpa Common Twinpod Physaria tuplashensis White Bluffs Bladderpod Pilularia americana American Pillwort Pityopus californica Pine-foot Plantago macrocarpa Alaska Plantain Platanthera chorisiana Choris' Bog-orchid Platanthera obtusata Small Northern Bog-orchid Platanthera sparsiflora Canyon Bog-orchid Poa laxiflora Loose-flowered Bluegrass Poa nervosa Wheeler's Bluegrass Poa unilateralis Ocean-bluff Bluegrass Polemonium carneum Great Polemonium Polemonium pectinatum Washington Polemonium Polemonium viscosum Skunk Polemonium Polyctenium fremontii var. fremontii Fremont's Combleaf Polygonum austiniae Austin's Knotweed Polygonum parryi Parry's Knotweed Polystichum californicum California Sword-fern Potamogeton filiformis var. occidentalis Western Fineleaf Pondweed Potamogeton foliosus ssp. fibrillosus Leafy Pondweed Potamogeton obtusifolius Blunt-leaved Pondweed Potentilla diversifolia var. perdissecta Diverse-leaved Cinquefoil Potentilla drummondii ssp. breweri Brewer's Cinquefoil Potentilla newberryi Newberry Cinquefoil Potentilla nivea Snow Cinquefoil Potentilla quinquefolia Five-leaved Cinquefoil Puccinellia nutkaensis Alaska Alkaligrass Pyrrocoma hirta var. sonchifolia Sticky Goldenweed Pyrrocoma liatriformis Palouse Goldenweed Ranunculus californicus California Buttercup Ranunculus cooleyae Cooley's Buttercup Scientific Name Common Name

Ranunculus hebecarpus Downy Butter-cup Ranunculus populago Mountain Buttercup Ranunculus reconditus Obscure Buttercup Rhytidium rugosum Golden Glade-moss Ribes cereum var. colubrinum Squaw Currant Ribes oxyacanthoides ssp. irriguum Idaho Gooseberry Rorippa columbiae Persistentsepal Yellowcress Rotala ramosior Lowland Toothcup Rubus acaulis Nagoonberry Rubus nigerrimus Northwest Raspberry Salix candida Hoary Willow Salix glauca Glaucous Willow Salix maccalliana Maccall's Willow Salix sessilifolia Soft-leaved Willow Salix tweedyi Tweedy's Willow Salix vestita var. erecta Rock Willow Samolus parviflorus Water-pimpernel Sanguisorba menziesii Menzies' Burnet Sanicula arctopoides Bear's-foot Sanicle Sanicula marilandica Black Snake-root Saxifraga cernua Nodding Saxifrage Saxifraga rivularis Pygmy Saxifrage Saxifraga tischii Tisch's Saxifrage Saxifragopsis fragarioides Strawberry Saxifrage Schistostega pennata Luminous Moss Schizachyrium scoparium var. scoparium Little Bluestem Scirpus saximontanus Rocky Mountain Bulrush Sclerolinon digynum Northwestern Yellowflax Scribneria bolanderi Scribner-grass Scutellaria angustifolia ssp. micrantha Narrowleaf Skullcap Scutellaria antirrhinoides Snap-dragon Skullcap Sericocarpus oregonensis ssp. oregonensis Oregon White-top Aster Sericocarpus rigidus White-top Aster Sidalcea hirtipes Hairy-stemmed Checker-mallow Sidalcea malviflora ssp. virgata Rose Checker-mallow Sidalcea nelsoniana Nelson's Checker-mallow Sidalcea oregana var. calva Wenatchee Mountain Checker-mallow Silene sargentii Sargent's Catchfly Silene seelyi Seely's Silene Silene spaldingii Spalding's Silene Sisyrinchium montanum Strict Blue-eyed-grass Sisyrinchium sarmentosum Pale Blue-eyed Grass Scientific Name Common Name

Sisyrinchium septentrionale Blue-eyed Grass Sparganium fluctuans Water Bur-reed Spartina pectinata Prairie Cordgrass Spiranthes diluvialis Ute Ladies' Tresses Spiranthes porrifolia Western Ladies-tresses Subularia aquatica var. americana Water Awlwort Sullivantia oregana Oregon Sullivantia Swertia perennis Swertia Symphyotrichum boreale Rush Aster Symphyotrichum hallii Hall's Aster Symphyotrichum jessicae Jessica's Aster Synthyris pinnatifida var. lanuginosa Cut-leaf Synthyris Talinum sediforme Okanogan Fameflower Tauschia hooveri Hoover's Tauschia Tauschia tenuissima Leiberg's Tauschia Tayloria serrata Serrate Dung Moss Tetraphis geniculata Tetraphis Moss Tetraplodon mnioides Entireleaf Nitrogen Moss Teucrium canadense ssp. viscidum Woodsage Texosporium sancti-jacobi Woven-spored Lichen Thalictrum dasycarpum Purple Meadowrue Thelypodium howellii ssp. howellii Howell's Thelypody Thelypodium sagittatum ssp. sagittatum Arrow Thelypody Trichostema oblongum Oblong Bluecurls Trifolium douglasii Douglas' Clover Trifolium plumosum var. plumosum Plumed Clover Trifolium thompsonii Thompson's Clover Trillium parviflorum Small-flowered Trillium Utricularia gibba Humped Bladderwort Utricularia intermedia Flat-leaved Bladderwort Utricularia minor Lesser Bladderwort Vaccinium myrtilloides Velvet-leaf Blueberry Veratrum insolitum Siskiyou False-hellebore Viola renifolia Kidney-leaved Violet Whipplea modesta Yerba de Selva Wolffia columbiana Columbia Water-meal Woodwardia fimbriata Chain-fern