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Home , Antennaria alpina, Antennaria flagellaris, Antennaria luzuloides, Antennaria microphylla, Antennaria racemosa, Arnica parryi

The NatureMapping Program

Washington List Revised: 9/15/2011 Okanogan County by Common Name (1) Non- native, (2) ID Scientific Name Common Name Plant Family Invasive √ 1197 Artemesia absinthium* Absinthe 1 1494 Lycopodium sitchense clubmoss Lycopodiaceae 164 Habenaria unalascensis Alaska rein-orchid Orchidaceae 1618 Rhamnus alnifolia Alder buckthorn Rhamnaceae 1203 Artemesia tilesii Aleutian mugwort Asteraceae 234 hispida* 1 1071 Poa juncifolia Alkali bluegrass 1109 Spartina gracilus Alkali cordgrass Poaceae 1680 Sida hederacea Alkali mallow Malvaceae 869 exilis Alkali paintbrush Scrophulariaceae 1705 Alkali sacaton Poaceae 1157 Anchusa officinalis* Alkanet 1 1187 alpina Alpine arnica Asteraceae 1208 Aster alpigenus Alpine aster Asteraceae 1148 Agrostis humilus Alpine bentgrass Poaceae 1585 viviparum Alpine bistort Poa alpina Alpine bluegrass Poaceae 1567 1400 pyrolifolium Alpine buckwheat Polygonaceae 1311 Cerastium berringianum Alpine chickweed Caryophyllaceae 1223 Athyrium distentifolium Alpine lady fern Polypodiaceae 1501 alpestris Alpine lake agoseris Asteraceae 1486 lyallii Alpine lupine Fabaceae 1219 Astragalus alpinus Alpine milk-vetch Fabaceae 1509 Mitella pentandra Alpine mitrewort Saxifragaceae 1631 Sagina saginoides Alpine pearlwort Caryophyllaceae 1163 alpina Alpine pussy-toes Asteraceae 1663 tolmiei Alpine saxifrage Saxifragaceae 1692 Smelowskia calycina Alpine smelowskia 1748 wormskjoldii Alpine speedwell Scrophulariaceae 1557 Phleum alpinum Alpine timothy Poaceae 1383 Epilobium alpinum Alpine willow- Onagraceae 1417 Gaultheria humifusa Alpine wintergreen 420 Trifolium hybridum* Alsike clover Fabaceae 1 1694 Solanum americanum* American black nightshade Solanaceae 1 440 Veronica americana American brooklime Scrophulariaceae 1370 Dracocephalum parviflorum American dragonhead 1426 neglecta American hedge-hyssop Scrophulariaceae 1179 Arceuthobium americanum American mistletoe Loranthaceae 715 Vicia americana American vetch Fabaceae 19 Alisma plantago-aquatica American waterplantain Alismataceae 51 Barbarea orthoceras American wintercress Brassicaceae

1 1587 Polystichum andersonii Anderson's sword-fern Polypodiaceae 716 Agoseris heterophylla Annual agoseris Asteraceae 494 Deschampsia danthonioides Annual hairgrass Poaceae 1484 Lupinus arcticus Arctic lupine Fabaceae 1630 Sagina procumbens* Arctic pearlwort Caryophyllaceae 1 1184 Arenaria obtusiloba Arctic sandwort Caryophyllaceae 1633 Salix arctica Arctic willow 495 Balsamorhiza sagittata Arrow- balsamroot Asteraceae 1552 Petasites sagittatus Arrowleaf coltsfoot Asteraceae 1676 triangularis Arrowleaf groundsel Asteraceae 497 Aster sp. Aster Asteraceae 603 Geum sp. Avens family sp. 1347 Cyperus aristatus Awned flatsedge 1427 Gypsophila paniculata* Baby's breath Caryophyllaceae 1 334 Rosa gymnocarpa Baldhip rose Rosaceae 1523 Neslia paniculata* Ball mustard Brassicaceae 1 187 Juncus balticus Baltic rush

8 Actaea rubra Baneberry Ranunculaceae 1634 Salix barclayi Barclay's willow Salicaceae 1508 Mitella nuda Bare-stem mitrewort Saxifragaceae 1372 Echinochloa crus-galli* Barnyard-grass Poaceae 1 137 Festuca bromoides* Barren fescue Poaceae 1 892 Comandra umbellata Bastard toad-flax Santalaceae 1289 Carex rostrata Beaked sedge Cyperaceae 1296 Carex utriculata Beaked sedge Cyperaceae 1376 Eleocharis rostellata Beaked spikerush Cyperaceae 38 Arctostaphylos uva-ursi Bearberry Ericaceae 1410 Festuca subulata Bearded fescue Poaceae 901 barbigera Bearded hawksbeard Asteraceae 11 Agropyron caninum Bearded wheatgrass Poaceae 1635 Salix bebbiana Bebb willow Salicaceae 855 Carex bebbii Bebb's sedge Cyperaceae 1528 Osmorhiza berteroi Berter's sweet-cicely 499 Geranium bicknellii Bicknell's geranium Geraniaceae 1081 Potentilla biennis Biennial cinquefoil Rosaceae 1199 Artemesia biennis Biennial wormwood Asteraceae 826 Artemesia tridentata Big sagebrush Asteraceae 1690 Sitanion jubatum Big squirreltail Poaceae 220 Lupinus polyphyllus Big-leaf lupine Fabaceae 3 Acer macrophyllum Big-leaf maple Aceraceae 39 Arenaria macrophylla Big-leaf sandwort Caryophyllaceae 1250 Carex amplifolia Big-leaf sedge Cyperaceae 1346 Cuscuta indecora Bigseed alfalfa dodder Cuscutaceae 1746 Veronica biloba* Bilobed speedwell Scrophulariaceae 1 Spiraea betulifolia Birch-leafed spirea Rosaceae 1114 1540 Pedicularis ornithoryncha 's-beak lousewort Scrophulariaceae 213 Lotus corniculatus* Birdsfoot trefoil Fabaceae 1

2 308 Prunus emarginata Bitter cherry Rosaceae 1390 acris Bitter fleabane Asteraceae 1227 Barbarea vulgaris* Bitter wintercress Brassicaceae 1 1085 Bitterbrush Rosaceae 500 Lewisia rediviva Bitterroot Portulacaceae 377 Solanum dulcamara* Bittersweet nightshade Solanaceae 1 1282 Carex nigricans Black alpine sedge Cyperaceae 286 Polygonum convolvulus* Black bindweed Polygonaceae 1 295 Populus trichocarpa Black cottonwood Salicaceae 106 Crataegus douglasii Black hawthorn Rosaceae 235 Medicago lupulina* Black medic Fabaceae 1 1650 Sanicula marilandica Black snake- Apiaceae Black-and-white scaled 1249 Carex albonigra Cyperaceae sedge 339 Rubus leucodermis Blackcap Rosaceae 1253 Carex atrata Blackened sedge Cyperaceae 1684 Silene cucubalus* Bladder campion Caryophyllaceae 1 502 Gaillardia aristata Blanket- Asteraceae 1016 Mentzelia laevicaulis Blazingstar Loasaceae 115 formosa Bleeding heart Fumariaceae 1313 Chenopodium capitatum Blite goosefoot Chenopodiaceae 503 Blue bunchgrass Poaceae 357 Sambucus cerulea Blue elderberry Caprifoliaceae 504 Myosotis micrantha* Blue forget-me-not Boraginaceae 1 505 Lactuca pulchella Blue lettuce Asteraceae 1549 Penstemon venustus Blue mountain penstemon Scrophulariaceae 510 Chorispora tenella* Blue mustard Brassicaceae 1 967 Hackelia micrantha Blue stickseed Boraginaceae 1744 Verbena hastata Blue vervain Verbenaceae 1643 Salix myrtillifolia Blueberry willow Salicaceae 523 Agropyron spicatum Blue-bunch wheatgrass Poaceae 529 Sisyrinchium angustifolium Blue-eyed grass Iridaceae 63 Calamagrostis canadensis Bluejoint Poaceae 744 Agropyron smithii Bluestem Poaceae

532 Osmorhiza depauperata Blunt-fruited sweet-cicely Apiaceae 533 Arenaria lateriflora Bluntleaf sandwort Caryophyllaceae 1090 Rorippa obtusa Blunt-leaf yellowcress Brassicaceae 1231 Betula glandulosa Bog birch Betulaceae 1572 Poa leptocoma Bog bluegrass Poaceae 1726 Tofieldia glutinosa Bog lily 1277 Carex magellanica Boreal bog sedge Cyperaceae 1651 Saponaria officinalis* Bouncing Bett Caryophyllaceae 1 313 Pteridium aquilinum Bracken Polypodiaceae 2 1538 Pedicularis bracteosa Bracted lousewort Scrophulariaceae 534 Verbena bracteata Bracted vervain Verbenaceae 1475 brandegei Brandegee's lomatium Apiaceae 1507 Mitella breweri Brewer's mitrewort Saxifragaceae 1503 Mimulus breweri Brewer's monkey-flower Scrophulariaceae 1256 Carex breweri Brewer's sedge Cyperaceae

3 1273 Carex leptalea Bristle-stalked sedge Cyperaceae 1616 Ranunculus pensylvanicus Bristly buttercup Ranunculaceae 1340 Cryptantha interrupta Bristly cryptantha Boraginaceae 1462 Lappula echinata* Bristly stickseed Boraginaceae 1 1039 Opuntia fragilis Brittle prickly pear cactus Cactaceae

1003 Lupinus latifolius Broad-leaf lupine Fabaceae 1513 Montia cordifolia Broad-leafed montia Portulacaceae 994 Listera convallarioides Broad-lipped twayblade Orchidaceae 1710 Stenanthium occidentale Bronze bells Liliaceae 1083 Potentilla rivalis Brook cinquefoil Rosaceae 1652 Saxifraga arguta Brook saxifrage Saxifragaceae 1678 Shepherdia canadensis Buffalo Elaeagnaceae 536 Amsinckia lycopsoides Bugloss fiddleneck Boraginaceae 735 Poa bulbosa* Bulbous bluegrass Poaceae 1 92 Circium vulgare* Bull thistle Asteraceae 1 1335 Cornus canadensis Bunchberry Cornaceae 805 Ambrosia acanthicarpa Bur ragweed Asteraceae 1118 tenuifolia Bush wirelettuce Asteraceae 1603 Potentilla paradoxa Bushy cinquefoil Rosaceae 1015 Mentzelia dispersa Bushy mentzelia Loasaceae 537 Linaria vulgaris* Butter-and-eggs Scrophulariaceae 1 1716 Suksdorfia ranunculifolia Buttercup-leaf suksdorfia Saxifragaceae 1563 Pinguicula vulgaris Butterwort Lentibulariaceae 1345 Cuscuta cephalanthi Buttonbush dodder Cuscutaceae 1257 Carex buxbaumii Buxbaum's sedge Cyperaceae 1238 carinatus brome Poaceae 1742 Veratrum californicum California false hellebore Liliaceae 1573 californicum California Jacob's-ladder 1673 Senecio pauperculus butterweed Asteraceae 829 Astragalus canadensis Canada milk-vetch Fabaceae 91 Circium arvense* Canada thistle Asteraceae 1 280 Poa compressa Canadian bluegrass Poaceae 1749 canadensis Canadian violet 125 Elodea canadensis Canadian waterweed Hydrocharitaceae 1 1069 Poa canbyi Canby's bluerass Poaceae 1471 canbyi Canby's lovage Apiaceae 539 Plantago patagonica Candleweed 248 Montia siberica Candyflower Portulacaceae 1259 Carex capitata Capitate sedge Cyperaceae 524 Carex sp. Carex sp. Cyperaceae 1154 Alopecurus carolinianus Carolina foxtail Poaceae 1734 deliciosum Cascade Ericaceae 1700 Sorbus scopulina Cascade mountain-ash Rosaceae 53 Berberis nervosa Cascade Oregongrape Berberidaceae 912 Cryptogramma cascadensis Cascade parsley fern Polypodiaceae 1548 Penstemon serrulatus Cascade penstemon Scrophulariaceae 1636 Salix cascadensis Cascade willow Salicaceae 540 Silene sp. Catchfly Caryophyllaceae

4 541 Nepeta cataria* Catnip Lamiaceae 1 542 Ranunculus sceleratus -leaved buttercup Ranunculaceae 1247 Cardaria chalapensis* Chalapa hoarycress Brassicaceae 1 62 Bromus tectorum* Cheat grass Poaceae 1 Penstemon pruinosus Chelan penstemon Scrophulariaceae 1054 721 Prunus sp. Cherry Rosaceae 1240 Bromus secalinus* Chess Poaceae 1 544 Cichorium intybus* Chicory Asteraceae 1 1235 Brassica juncea* Chinese mustard Brassicaceae 1 1415 Fritillaria lanceolata Chocolate lily Liliaceae 310 Prunus virginiana Chokecherry Rosaceae 1588 Polystichum imbricans Christmas-fern Polypodiaceae 402 Streptopus amplexifolius stalk Liliaceae 145 Galium aparine Cleavers Rubiaceae 1675 Senecio streptanthifolius Cleft-leaf groundsel Asteraceae 1160 Anemone multifida Cliff anemone Ranunculaceae 298 Potamogeton foliosus Closed-leaved pondweed Potamogetonaceae 1011 Marsilea vestita Clover fern Marsileaceae 723 Trifolium sp. Clover sp. Fabaceae 1343 Cuscuta approximata Clustered dodder Cuscutaceae 230 Madia sativa Coast tarweed Asteraceae 1138 Xanthium strumarium* Cocklebur Asteraceae 1 Coeur d Alene desert- 548 Lomatium farinosum Apiaceae parsley 15 Agrostis stolonifera Colonian bentgrass Poaceae 1452 Juncus confusus rush Juncaceae 268 Petasites frigidus Coltsfoot Asteraceae 989 Lesquerella douglasii Columbia bladderpod Brassicaceae 549 Frasera albicaulis Columbia frasera Gentianaceae 897 Crataegus columbiana Columbia hawthorn Rosaceae 1470 Lewisia columbiana Columbia lewisia Portulacaceae 550 Lithospermum ruderale Columbia puccoon Boraginaceae 1200 Artemesia lindleyana Columbia River mugwort Asteraceae 1639 Salix fluviatilis Columbia River willow Salicaceae 894 Coreopsis atkinsoniana Columbia tickseed Asteraceae 1329 Clematis columbiana Columbia virgin's bower Ranunculaceae 435 Utricularia vulgaris Common bladderwort Lentibulariaceae 522 Bromus vulgaris Common brome Poaceae 895 Corispermum hyssopifolium* Common bugseed Chenopodiaceae 1 37 Arctium minus* Common burdock Asteraceae 1 431 Typha latifolia Common cattail Typhaceae Common chess/Hairy 551 Bromus commutatus* Poaceae 1 brome 401 Stellaria media* Common chickweed Caryophyllaceae 1 1327 Clarkia rhomboidea Common clarkia Onagraceae 914 Cuscuta epithymum Common dodder Cuscutaceae 553 Campanula rotundifolia Common harebell Campanulaceae 129 Equisetum arvense Common horsetail Equisetaceae 2 242 Mimulus gutattus Common monkey-flower Scrophulariaceae 439 Verbascum thapsus* Common mullein Scrophulariaceae 1

5 277 Plantago major* Common plantain Plantaginaceae 1 1067 Phragmites communis Common reed Poaceae 301 Potentilla anserina Common silverweed Rosaceae 404 Symphoricarpos albus Common snowberry Caprifoliaceae 1375 Eleocharis macrostachya Common spikerush Cyperaceae 123 Eleocharis palustris Common spike-rush Cyperaceae 407 Tanacetum vulgare* Common tansy Asteraceae 1 556 Madia gracilis Common tarweed Asteraceae 557 Selaginella densa Compact selaginella Selaginellaceae 1683 Silene conoidea Conoid catchfly Caryophyllaceae 558 Lithospermum arvense* Corn gromwell Boraginaceae 1 1665 Schoenoplectus maritimus Cosmopolitan bulrush Cyperaceae 1425 Gnaphalium chilense Cottonbatting cudweed Asteraceae 167 Heracleum lanatum Cow parsnip Apiaceae 445 Vicia cracca* Cow vetch Fabaceae 1 1733 Vaccaria segetalis* Cowcockle Caryophyllaceae 1 1093 Salix exigua Coyote willow Salicaceae 1262 Carex crawfordii Crawford's sedge Cyperaceae 1465 Lathyrus ochroleucus Cream-flowered peavine Fabaceae 559 Berberis repens Creeping Oregongrape Berberidaceae 1260 Carex chordorrhiza Creeping sedge Cyperaceae 1679 Sibbaldia procumbens Creeping sibbaldia Rosaceae 405 Symphoricarpos mollis Creeping snowberry Caprifoliaceae 1382 Elymus triticoides Creeping wild rye Poaceae 506 Crepis sp. Crepis sp. Asteraceae 560 Agropyron cristatum* Crested wheatgrass Poaceae 1 396 Stellaria crispa Crisped starwort Caryophyllaceae 1130 Trifolium cyathiferum Cup clover Fabaceae 1571 Poa incurva Curly bluegrass Poaceae 1487 arcuta Curved woodrush Juncaceae 935 Erigeron poliospermus Cushion fleabane Asteraceae 1070 Poa cusickii Cusick's bluegrass Poaceae 1301 Castilleja cusickii Cusick's paintbrush Scrophulariaceae 1263 Carex cusickii Cusick's sedge Cyperaceae 921 Dodecatheon cusickii Cusick's shooting star Primulaceae 1747 Veronica cusickii Cusick's speedwell Scrophulariaceae 151 Geranium dissectum* Cut-leaf geranium Geraniaceae 1 1695 Solanum triflorum Cut-leaf nightshade Solanaceae 1230 Berula erecta Cutleaf water-parsnip Apiaceae 1392 Erigeron compositus Cut-leaved daisy Asteraceae 191 Juncus ensifolius Daggerleaf rush Juncaceae 1397 Erigeron strigosus Daisy fleabane Asteraceae 562 Linaria dalmatica* Dalmatian toad-flax Scrophulariaceae 1 408 Taraxacum officinale* Dandelion Asteraceae 1 109 Crepis runcinata Dandelion hawksbeard Asteraceae 1542 Penstemon davidsonii Davidson's penstemon Scrophulariaceae 1300 Castilleja cervina paintbrush Scrophulariaceae 1424 Gilia tenerrima Delicate gilia Polemoniaceae 845 Boisduvalia densiflora Dense spike-primrose Onagraceae

6 820 Arenaria congesta Dense-flowered sandwort Caryophyllaceae 563 Dodecatheon conjugens Desert shooting star Primulaceae 932 Erigeron linearis Desert yellow daisy Asteraceae 262 Oplopanax horridum Devil's club Araliaceae 76 Carex deweyana Dewey's sedge Cyperaceae 1646 Salix planifolia Diamond leaf willow Salicaceae 1662 Saxifraga rhomboidea Diamond-leaf saxifrage Saxifragaceae 891 Collomia tenella Diffuse collomia Polemoniaceae 872 diffusa* Diffuse knapweed Asteraceae 1 348 Ruppia maritima Ditchgrass Ruppiaceae 1598 Potentilla diversifolia Diverse-leaved cinquefoil Rosaceae 285 Polygonum aviculare* Doorweed Polygonaceae 1 1661 Saxifraga punctata Dotted saxifrage Saxifragaceae 46 Aster subspictus Douglas' aster Asteraceae 564 Brodiaea douglasii Douglas' brodiaea Liliaceae 311 Pseudotsuga menziesii 1077 Polygonum douglasii Douglas' knotweed Polygonaceae 763 Acer glabrum Douglas maple Aceraceae 40 Artemesia douglasiana Douglas' sagewort Asteraceae 857 Carex douglasii Douglas' sedge Cyperaceae 1106 Silene douglasii Douglas' silene Caryophyllaceae 1730 Trisetum spicatum Downy oat-grass Poaceae 1159 Anemone drummondii Drummond's anemone Ranunculaceae 1599 Potentilla drummondii Drummond's cinquefoil Rosaceae 1172 Arabis drummondii Drummond's rockcress Brassicaceae 1453 Juncus drummondii Drummond's rush Juncaceae 1638 Salix drummondiana Drummond's willow Salicaceae 1314 Chenopodium desiccatum Dry goosefoot Chenopodiaceae 874 Chaenactis douglasii Dusty maidens Asteraceae 565 Vaccinium caespitosum Dwarf bilberry Ericaceae 1627 Rubus lasiococcus Dwarf bramble Rosaceae 1617 Ranunculus pygmaeus Dwarf buttercup Ranunculaceae 1385 Epilobium latifolium Dwarf fireweed Onagraceae 1418 Gayophytum humile Dwarf groundsmoke Onagraceae 990 Lewisia pygmaea Dwarf lewisia Portulacaceae 232 Malva neglecta* Dwarf mallow Malvaceae 1 246 Montia dichotoma Dwarf montia Portulacaceae 1670 Senecio fremontii Dwarf mountain butterweed Asteraceae Dwarf purple monkey- 1505 Mimulus nanus Scrophulariaceae flower 1388 Equisetum scirpoides Dwarf scouring-rush Equisetaceae 566 Early blue violet Violaceae 17 Aira praecox* Early hairgrass Poaceae 1 45 Aster eatonii Eaton's aster Asteraceae 567 Potamogeton zosteriformis Eel-grass pondweed Potamogetonaceae 1221 Astragalus elegans Elegant milk-vetch Fabaceae 1575 Polemonium elegans Elegant polemonium Polemoniaceae 1429 Habenaria elegans Elegant rein-orchid Orchidaceae 1539 Pedicularis groenlandica Elephant's head Scrophulariaceae 1325 foliosum Elk thistle Asteraceae

7 1244 Caltha leptosepala Elkslip Ranunculaceae 1377 Elmera racemosa Elmera Saxifragaceae 1668 Senecio elmeri Elmer's butterweed Asteraceae 1302 Castilleja elmeri Elmer's paintbrush Scrophulariaceae 90 Circaea alpina Enchanter's nightshade Onagraceae 273 Picea engalmannii Engelmann spruce Pinaceae 1212 Aster engelmannii Engelman's aster Asteraceae 1266 Carex engelmannii Englemann's sedge Cyperaceae 276 Plantago lanceolata* English plantain Plantaginaceae 1 1128 Thelopodium integrifolium Entire-leaved thelopody Brassicaceae 846 Bromus erectus Erect brome Poaceae 451 Viola sempervirens Evergreen violet Violaceae 569 Calypso bulbosa Fairy slipper Orchidaceae 1727 Trautvetteria caroliniensis False bugbane Ranunculaceae 570 Floerkea proserpinacoides False mermaid Limnanthaceae 375 Smilacina racemosa False Solomon's seal Liliaceae 1600 Potentilla flabellifolia Fan-leaf cinquefoil Rosaceae 572 Thlaspi arvense* Fanweed Brassicaceae 1 1722 Thalictrum fendleri Fendler's meadowrue Ranunculaceae 1447 Hydrophyllum fendleri Fendler's waterleaf Hydrophyllaceae 300 Potamogeton pectinatus Fennel-leaf pondweed Potamogetonaceae 573 Lomatium dissectum Fern-leaf biscuit-root Apiaceae Lomatium martindalei Few-flowered lomatium Apiaceae 1476 575 Dodecatheon pulchellum Few-flowered shooting star Primulaceae 1351 Danthonia unispicata Few-flowered wild oatgrass Poaceae 1667 Senecio cymbalarioides Few-leaved groundsel Asteraceae 1365 Draba oligosperma Few-seeded draba Brassicaceae 1310 Cerastium arvense Field chickweed Caryophyllaceae 1518 Myosotis arvensis* Field forget-me-not Boraginaceae 1 1530 Oxytropis campestris Field locoweed Fabaceae 239 Mentha arvensis Field mint Lamiaceae 97 Convolvulus arvensis* Field morning-glory Convolvulaceae 1 1165 Antennaria neglecta Field pussy-toes Asteraceae 381 Sonchus arvensis* Field sowthistle Asteraceae 1 222 Luzula campestris Field woodrush Juncaceae 1413 Filago arvensis* Filago Asteraceae 1 133 Erodium cicutarium* Filaree Geraniaceae 1 1493 Lycopodium selago Fir clubmoss Lycopodiaceae 1336 Crataegus chrysocarpa Fireberry hawthorn Rosaceae 126 Epilobium angustifolium Fireweed Onagraceae 806 Amsinckia intermedia Fireweed fiddleneck Boraginaceae 604 Epilobium sp. Fireweed sp. Onagraceae 1593 Potamogeton friesii Flat-stalked pondweed Potamogetonaceae 578 Erigeron sp. Fleabane Asteraceae 579 Descurainia sophia* Flixweed Brassicaceae 1 1702 Sparganium angustifolium Floating bur-reed Sparganiaceae 299 Potamogeton natans Floating-leaf pondweed Potamogetonaceae 1322 Circium flodmanii Flodman's thistle Asteraceae

8 413 Tiarella trifoliata Foamflower Saxifragaceae 1500 Menziesia ferruginea Fool's huckleberry Ericaceae Four-angled mountain 1299 Cassiope tetragona Ericaceae heather 958 Glyceria striata Fowl mannagrass Poaceae 281 Poa palustris* Fowl meadow-grass Poaceae 1 1579 Polygonum fowleri Fowler's knotweed Polygonaceae 173 Hordeum jubatum Foxtail barley Poaceae 580 Cystopteris fragilis Fragile fern Polypodiaceae 149 Galium triflorum Fragrant bedstraw Rubiaceae 1553 franklinii Franklin's phacelia Hydrophyllaceae 821 Arenaria franklinii Franklin's sandwort Caryophyllaceae 1316 Chenopodium fremontii Fremont's goosefoot Chenopodiaceae 1719 Tamarix gallica* French tamarisk Tamaricaceae 1 1239 Bromus ciliatus Fringed brome Poaceae 1534 Parnassia fimbriata Fringed grass-of-Parnassus Saxifragaceae 581 Lysimachia ciliata Fringed loosestrife Primulaceae 1052 Penstemon gairdneri Gairdner's penstemon Scrophulariaceae 1640 Salix geyeriana Geyer willow Salicaceae 582 Lomatium geyeri Geyer's desert-parsley Apiaceae 583 Allium geyeri Geyer's onion Liliaceae 927 Epipactis gigantea Giant helleborine Orchidaceae 584 Elymus cinereus Giant rye grass Poaceae 1405 Erythronium grandiflorum Glacier lily Liliaceae 1545 Penstemon glandulosus Glandular penstemon Scrophulariaceae 1420 Gentiana glauca Glaucous gentian Gentianaceae 1756 Zigadenus elegans Glaucous zygadene Liliaceae 1731 Trollius laxus Globeflower Ranunculaceae 1248 Cardaria pubescens* Globepodded hoary cress Brassicaceae 1 1614 Ranunculus gmelinii Gmelin's buttercup Ranunculaceae 42 Aruncus sylvester Goatsbeard Rosaceae 1170 Aquilegia flavescens Golden columbine Ranunculaceae 896 Corydalis aurea Golden corydalis Fumariaceae 345 Rumex maritimus Golden dock Polygonaceae 1360 Draba aurea Golden draba Brassicaceae 1391 Erigeron aureus Golden fleabane Asteraceae 1255 Carex aurea Golden sedge Cyperaceae 1753 Viola purpurea Goosefoot violet Violaceae 586 Gorman's desert-parsley Apiaceae 1608 Puccinellia distans* Graceful alkaligrass Poaceae 1 302 Potentilla gracilis Graceful cinquefoil Rosaceae 1338 Crepis gracilis Graceful hawk's-beard Asteraceae 1041 Orthocarpus barbatus Grand Coulee owl-clover Scrophulariaceae 1 Abies grandis Grand fir Pinaceae 587 Saxifraga integrifolia Grassland saxifrage Saxifragaceae 1079 Potamogeton gramineus Grass-leaved pondweed Potamogetonaceae 1095 Salvia dorrii Gray ball sage Lamiaceae 902 Crepis intermedia Gray hawksbeard Asteraceae 880 Chrysothamnus nauseosus Gray rabbit-brush Asteraceae 1569 Poa grayana Gray's bluegrass Poaceae

9 998 Lomatium grayi Gray's desert-parsley Apiaceae 991 Ligusticum grayi Gray's lovage Apiaceae 1522 Nemophila breviflora nemophila Hydrophyllaceae 1216 Aster modestus Great northern aster Asteraceae 1574 Polemonium carneum Great polemonium Polemoniaceae 1743 Veratrum viride Green false hellebore Liliaceae 1411 Festuca viridula Green fescue Poaceae 1677 Setaria viridus* Green foxtail Poaceae 1 881 Chrysothamnus viscidiflorus Green rabbit-brush Asteraceae 1206 Asplenium viride Green spleenwort Polypodiaceae 1609 chlorantha Green wintergreen Ericaceae 1436 Haplopappus greenei Greene's goldenweed Asteraceae 1126 Tetradymia canescens Grey horse-brush Asteraceae 1492 Lycopodium complanatum Ground cedar Lycopodiaceae 1738 Grouseberry Ericaceae 871 Celtis reticulata Hackberry Ulmaceae 1193 Arnica mollis Hairy arnica Asteraceae 852 Camelina microcarpa* Hairy false-flax Brassicaceae 1 1319 Chrysopsis villosa Hairy golden-aster Asteraceae 1515 Muhlenbergia andina Hairy muhly Poaceae 379 Solanum saccaroides* Hairy nightshade Solanaceae 1 1042 Orthocarpus hispidus Hairy owl-clover Scrophulariaceae 1173 Arabis hirsuta Hairy rockcress Brassicaceae 1379 Elymus hirsutus Hairy ryegrass Poaceae 1215 Aster hallii Hall's aster Asteraceae 999 Lomatium hambleniae Hamblen's desert-parsley Apiaceae 391 Spiraea douglasii Hardhack Rosaceae 361 Scirpus acutus Hard-stem bulrush Cyperaceae 1245 Campanula persicifolia* Hare-bell Campanulaceae 1 526 Castilleja hispida Harsh Indian paintbrush Scrophulariaceae 1337 Crataegus okennonii Hawthorn Rosaceae 1267 Carex haydeniana Hayden's sedge Cyperaceae 1189 Arnica cordifolia Heart-leaf arnica Asteraceae 1757 Zizia aptera Heart-leaved Alexanders Apiaceae 207 Listera cordata Heart-leavedg twayblade ( y Orchidaceae 460 Convolvulus sepium* nightcap) Convolvulaceae 1 813 Apocynum cannabinum Hemp dogbane Apocynaceae 1448 Hyoscyamus niger Henbane Solanaceae 1745 Verbena officinalis* Herb of the cross Verbenaceae 1 1440 Heterocodon rariflorum Heterocodon Campanulaceae 1031 Oenothera hilgardii Hilgard's evening-primrose Onagraceae 590 Arnica fulgens Hillside arnica Asteraceae 1220 Astragalus collinus Hillside milk-vetch Fabaceae 591 Machaeranthera canescens Hoary aster Asteraceae 1178 Arabis puberula Hoary rockcress Brassicaceae 817 Arabis holboellii Holboell's rockcress Brassicaceae 1590 Polystichum lonchitis Holly fern Polypodiaceae

392 Spiranthes romanzoffiana Hooded ladies-tresses Orchidaceae

10 1064 Phlox hoodii Hood's phlox Polemoniaceae 858 Carex hoodii Hood's sedge Cyperaceae 118 Disporum hookeri Hooker fairy-bell Liliaceae 1524 Oenothera hookeri Hooker's evening-primrose Onagraceae 592 vulgare* Horehound Lamiaceae 1 1715 Suaeda depressa Horned seablite Chenopodiaceae 594 Ceratophyllum demersum Hornwort Ceratophyllaceae 1324 Cirsium edule Horse thistle Asteraceae 98 Conyza canadensis* Horseweed Asteraceae 1 595 Penstemon deustus Hot-rock penstemon Scrophulariaceae 596 Hieracium cynoglossoides Hounds-tongue hawkweed Asteraceae 1570 Poa howellii Howell's bluegrass Poaceae 1446 Hutchinsia procumbens Hutchinsia Brassicaceae 1560 Phyllodoce intermedia Hybrid mountain heather Ericaceae 1149 Agrostis idahoensis bentgrass Poaceae 1594 Potamogeton illinoensis Illinois pondweed Potamogetonaceae 1043 Indian ricegrass Poaceae 1323 Cirsium brevistylum Indian thistle Asteraceae 1205 Aspidotus densa Indian's dream fern Polypodiaceae 598 Carex vesicaria Inflated sedge Cyperaceae 1269 Carex interior Inland sedge Cyperaceae 1280 Carex muricata Interior sedge Cyperaceae 739 Agropyron intermedium* Intermediate ryegrass Poaceae 1 950 Galium serpenticum Intermountain bedstraw Rubiaceae 599 Agrostis interrupta* Interrupted apera Poaceae 1 1586 Polypodium amorphum Irregular polypody Polypodiaceae 601 Bromus japonicus* Japanese brome Poaceae 1 1359 Dodecatheon jeffreyi Jeffrey's shooting star Primulaceae 876 Chenopodium botrys* Jerusalem oak Chenopodiaceae 1 373 altissimum* Jim Hill mustard Brassicaceae 1 1270 Carex jonesii Jones' sedge Cyperaceae 1461 Kelloggia galioides Kelloggia Rubiaceae 1581 Polygonum kelloggii Kellogg's knotweed Polygonaceae 282 Poa pratensis* Kentucky bluegrass Poaceae 1 1666 Sedum roseum King's crown Crassulaceae 1421 Gentiana sceptrum King's gentian Gentianaceae 1181 Arctostaphylos nevadensis Kinnikinnik Ericaceae 177 Hypericum perforatum* Klamath weed Hypericaceae 1 Kotzebu s grass-of- 1535 Parnassia kotzbuei Saxifragaceae Parnassus 1589 Polystichum kruckebergii Kruckeberg's sword-fern Polypodiaceae 746 Ledum groenlandicum tea Ericaceae 1312 Cheilanthes gracillima Lace fern Polypodiaceae 47 Athyrium filix-femina Lady fern Polypodiaceae 1363 Draba lonchocarpa Lancefruited draba Brassicaceae 1101 Scrophularia lanceolata Lance-leaf figwort Scrophulariaceae 518 Sedum lanceolatum Lance-leaved stonecrop Crassulaceae 1236 grandiflora Large-flowered brickellia Asteraceae 94 Collomia grandiflora Large-flowered collomia Polemoniaceae 1435 Haplopappus carthemoides Large-flowered goldenweed Asteraceae

11 1591 Potamogeton amplifolius Large-flowered pondweed Potamogetonaceae 609 Lomatium macrocarpum Large-fruited lomatium Apiaceae 154 Geum macrophyllum Large-leaved avens Rosaceae 1318 Chenopodium simplex Large-seeded goosefoot Chenopodiaceae 1696 Solidago gigantea Late goldenrod Asteraceae 611 Heuchera cylindrica Lava alumroot Saxifragaceae 1214 Aster foliaceus Leafy aster Asteraceae 56 Bidens frondosa Leafy beggar-ticks Asteraceae 1017 Mertensia oblongifolia Leafy bluebells Boraginaceae 1582 Polygonum minimum Leafy dwarf knotweed Polygonaceae 1315 Chenopodium foliosum Leafy goosefoot Chenopodiaceae 1406 Euphorbia esula* Leafy spurge Euphorbiaceae 1 1469 Leptarrhena pyrolifolia Leatherleaf saxifrage Saxifragaceae 1233 Botrychium multifidum Leathery grape-fern Ophioglossaceae 1393 Erigeron leibergii Leiberg's fleabane Asteraceae 1711 Stipa lemmonii Lemmon's needlegrass Poaceae 1174 Arabis lemmonii Lemmon's rockcress Brassicaceae 1272 Carex lenticularis Lenticular sedge Cyperaceae 1254 Carex atrosquama Lesser blackscale sedge Cyperaceae 1264 Carex diandra Lesser panicled sedge Cyperaceae 1613 Ranunculus flammula Lesser spearwort Ranunculaceae 397 Stellaria graminea* Lesser starwort Caryophyllaceae 1 1712 Stipa lettermanii Letterman's needlegrass Poaceae 1504 Mimulus lewisii Lewis's monkey-flower Scrophulariaceae 864 Carex petasata Liddon's sedge Cyperaceae 324 Ranunculus uncinatus Little buttercup Ranunculaceae 1213 Aster falcatus Little grey aster Asteraceae 1498 Melica fugax Little onion-grass Poaceae 1527 Oryzopsis exigua Little ricegrass Poaceae 616 Madia exigua Little tarweed Asteraceae 72 Cardamine oligosperma Little Western bittercress Brassicaceae 620 Polemonium micranthum Littlebells polemonium Polemoniaceae 971 Helianthella uniflora Little-sunflower Asteraceae 275 Pinus contorta Lodgepole pine Pinaceae 1689 Sisymbrium loeselii* Loesel tumblemustard Brassicaceae 1 981 Juncus longistylus Long-beaked rush Juncaceae 1433 Habenaria viridis Long-bracted frog-orchid Orchidaceae 1210 Aster chilensis Long-leaf aster Asteraceae 929 Erigeron corymbosus Long-leaf fleabane Asteraceae 1065 Phlox longifolia Long-leaf phlox Polemoniaceae 399 Stellaria longifolia Long-leaved starwort Caryophyllaceae 1207 Aster adscendens Long-lived aster Asteraceae 1728 Trifolium longipes Long-stalked clover Fabaceae 400 Stellaria longipes Long-stalked starwort Caryophyllaceae 1737 Vaccinium myrtillus Low bilberry Ericaceae 961 Grindelia nana Low gumweed Asteraceae 1416 Galium bifolium Low mountain bedstraw Rubiaceae 1058 Phacelia humilus Low phacelia Hydrophyllaceae 622 Antennaria dimorpha Low pussy-toes Asteraceae

12 1198 Artemesia arbuscula Low sagebrush Asteraceae 960 Gnaphalium palustre Lowland cudweed Asteraceae 850 lyallii Lyall mariposa Liliaceae 1437 Haplopappus lyallii Lyall's goldenweed Asteraceae 1175 Arabis lyallii Lyall's rockcress Brassicaceae 1094 Salix rigida Mackenzie willow Salicaceae 1381 Elymus macounii Macoun's barley Poaceae 1615 Ranunculus macounii Macoun's buttercup Ranunculaceae 368 Scuttelaria lateriflora Mad-dog skullcap Lamiaceae 44 Asperugo procumbens* Madwort Boraginaceae 1 1305 Castilleja parviflora oreopola Magenta paintbrush Scrophulariaceae 1607 Prunus mahalub* Mahalub cherry Rosaceae 1 10 Adiantum pedatum Maidenhair fern Polypodiaceae 623 Physocarpus malvaceus Mallow ninebark Rosaceae 1450 Hypopites monotropa Many-flowered indian pipe Ericaceae 1295 Carex sychnocephala Many-headed sedge Cyperaceae 1621 Ribes howellii Maple-leaf currant Grossulariaceae 169 Hippuris vulgaris Mare's tail Hippuridacee 304 Potentilla palustris Marsh cinquefoil Rosaceae 367 Scuttelaria galericulata Marsh scullcap Lamiaceae 443 Veronica scuttelata Marsh speedwell Scrophulariaceae 1752 Viola palustris Marsh violet Violaceae 333 Rorippa islandica Marsh yellowcress Brassicaceae 1517 Muhlenbergia richardsonis Mat muhly Poaceae 1490 Lycium halimifolium* Matrimony vine Solanaceae 1 908 Cryptantha circumscissa Matted cryptantha Boraginaceae 1725 Thymelaea passerina* Mazereon Thymelaeaceae 1 624 Zigadenus venenosus Meadow death camas Liliaceae 139 Festuca pratensis* Meadow fescue Poaceae 1 380 Solidago canadensis Meadow goldenrod Asteraceae 1352 Delphinium burkei Meadow larkspur Ranunculaceae 1479 Lotus denticulatus Meadow lotus Fabaceae 1286 Carex praticola Meadows sedge Cyperaceae

27 Amsinckia menziesii Menzies' fiddleneck Boraginaceae 1107 Silene menziesii Menzies' silene Caryophyllaceae 1075 Merrill's bluegrass Poaceae 1455 Juncus mertensianus Merten's rush Juncaceae 1659 Saxifraga mertensiana Merten's saxifrage Saxifragaceae 1278 Carex mertensii Merten's sedge Cyperaceae 1707 Stachys mexicana Mexican betony Lamiaceae 1201 Artemesia michauxiana Michaux mugwort Asteraceae 247 Montia perfoliata Miner's lettuce Portulacaceae 1697 Solidago missouriensis goldenrod Asteraceae 679 Philadelphus lewisii Mock-orange Hydrangeaceae 1144 Aconitum columbianum Monkshood Ranunculaceae

Silene acaulis campion Caryophyllaceae 1681

13 438 Verbascum blattaria* Moth mullein Scrophulariaceae 1 705 Agoseris glauca Mountain agoseris Asteraceae 626 Alnus incana Mountain alder Betulaceae 1191 Mountain arnica Asteraceae 627 Gentiana calycosa Mountain bog gentian Gentianaceae 265 Pachistima myrsinites Mountain box Celastraceae Deschampsia atropurpurea Mountain hairgrass Poaceae 1354 1285 Carex phaeocephala Mountain hare sedge Cyperaceae 1732 Mountain hemlock Pinaceae 1735 Vaccinium membranaceum Mountain huckleberry Ericaceae 1460 Juniperus communis Mountain juniper Cupressaceae 1349 Cypripedium montanum Mountain lady's-slipper Orchidaceae 917 Delphinium menziesii Mountain larkspur Ranunculaceae 1022 Monardella odoratissima Mountain monardella Lamiaceae 1506 Mimulus tilingii Mountain monkey-flower Scrophulariaceae 1161 Anemone occidentalis Mountain pasqueflower Ranunculaceae 1202 Artemesia norvegica Mountain sagewort Asteraceae 1123 Symphoricarpos oreophilus Mountain snowberry Caprifoliaceae 1529 Oxyria digyna Mountain sorrel Polygonaceae 1356 Descurainia richardsonii Mountain tansymustard Brassicaceae Madia glomerata Mountain tarweed Asteraceae 629 1403 Erysimum arenicola Mountain wallflower Brassicaceae Salix monticola Mountain willow Salicaceae 1642 84 Cerastium vulgatum* Mouse-ear chickweed Caryophyllaceae 1 1483 Lupinus alpicola Mt. Adams lupine Fabaceae 1472 Limosella aquatica Mudwort Scrophulariaceae 1204 Artemesia vulgaris* Mugwort Asteraceae 1 243 Mimulus moschatus Musk-flower Scrophulariaceae 1407 Euphorbia myrsinites* Myrtle spurge Euphorbiaceae 1 1626 Rubus acaulis Nagoonberry Rosaceae 630 Orobanche uniflora Naked broom-rape 890 Collomia linearis Narrow-leaf collomia Polemoniaceae 970 Haplopappus stenophyllus Narrow-leaf goldenweed Asteraceae 1444 Hieracium umbellatum Narrow-leaf hawkweed Asteraceae 631 Montia linearis Narrow-leaf montia Portulacaceae 800 Alisma graminium Narrowleaf waterplantain Alismataceae 1401 Eriophorum polystachion Narrow-leaved cottongrass Cyperaceae Narrow-leaved everlasting 1466 Lathyrus sylvestris* Fabaceae 1 pea 1102 Scutellaria angustifolia Narrow-leaved skullcap Lamiaceae 924 Eleocharis acicularis Needle spike-rush Cyperaceae 633 Navarretia intertexta Needle-leaf navarretia Polemoniaceae 1097 Saxifraga nidifica Nesting saxifrage Saxifragaceae 1073 Poa nevadensis bluegrass Poaceae 1100 Scirpus nevadensis Nevada bulrush Cyperaceae 1108 Silene noctiflora* Night-flowering catchfly Caryophyllaceae 1 634 Lomatium triternatum Nine-leaf lomatium Apiaceae

14 1195 Arnica parryi Nodding arnica Asteraceae 165 Hackelia deflexa Nodding forget-me-not Boraginaceae 1018 Microseris nutans Nodding microseris Asteraceae 1152 Allium cernuum Nodding onion Liliaceae 1655 Saxifraga cernua Nodding saxifrage Saxifragaceae 1378 Elymus canadensis Nodding wildrye Poaceae 335 Rosa nutkana Nootka rose Rosaceae 1419 Gentiana amarella Norhern gentian Gentianaceae 1158 Androsace septentrionalis Northern androsace Primulaceae 1162 Anemone parviflora Northern anemone Ranunculaceae 636 Galium boreale Northern bedstraw Rubiaceae 1622 Ribes hudsonianum Northern black currant Grossulariaceae 1134 Viola nephrophylla Northern bog violet Violaceae 637 Eriogonum compositum Northern buckwheat Polygonaceae 1252 Carex arcta Northern clustered sedge Cyperaceae 1332 Comandra livida Northern commandra Santalaceae 907 Cryptantha celosioides Northern cryptantha Boraginaceae 1320 Chrysosplenium tetrandum Northern golden-carpet Saxifragaceae 1698 Solidago multiradiata Northern goldenrod Asteraceae 1623 Ribes oxyacanthoides Northern gooseberry Grossulariaceae 1234 Botrychium pinnatum Northern grape-fern Ophioglossaceae 1430 Habenaria hyperborea Northern green bog-orchid Orchidaceae 1438 Hedysarum boreale Northern hedysarum Fabaceae 1473 Linanthus septentrionalis Northern linanthus Polemoniaceae 157 Glyceria borealis Northern mannagass Poaceae 638 Wyethia amplexicaulis Northern mule's ears Asteraceae 1389 Equisetum variegatum Northern scouringrush Equisetaceae 483 Stellaria calycantha Northern starwort Caryophyllaceae 1708 Stellaria borealis Northern starwort Caryophyllaceae 1740 Valeriana dioica Northern valerian Valerianaceae 824 Artemesia campestris Northern wormwood Asteraceae 1261 Carex concinnoides Northwest sedge Cyperaceae 1474 Listera caurina Northwestern twayblade Orchidaceae 628 Potentilla norvegica* Norwegian cinquefoil Rosaceae 1 1283 Carex norvegica Norwegian sedge Cyperaceae 314 Puccinellia nuttalliana Nuttall's alkaligrass Poaceae 1166 Nuttall's pussytoes Asteraceae 1177 Arabis nuttallii Nuttall's rockcress Brassicaceae 730 Gymnocarpium dryopteris Oak fern Polypodiaceae 906 Cryptantha ambigua Obscure cryptantha Boraginaceae 957 Gilia sinuata Obscure gilia Polemoniaceae 171 Holodiscus discolor Ocean spray Rosaceae 1718 Talinum okanoganense Okanogan fameflower Portulacaceae 963 Hackelia ciliata Okanogon stickseed Boraginaceae 516 Sedum divergens (Spreading skullcap) Crassulaceae 640 Panicum capillare* Old witchgrass Poaceae 1 1604 Potentilla uniflora One-flowered cinquefoil Rosaceae 641 Pyrola secunda One-sided wintergreen Ericaceae 1012 Melica bulbosa Onion-grass Poaceae

15 1145 Agoseris aurantiaca Orange agoseris Asteraceae 112 Dactylis glomerata* Orchard grass Poaceae 1 643 Sidalcea oregana checkermallow Malvaceae 1685 Silene oregana Oregon silene Caryophyllaceae 943 Eriophyllum lanatum Oregon sunshine Asteraceae 644 Woodsia oregana Oregon woodsia Polypodiaceae 1399 Eriogonum ovalifolium Oval-leaf buckwheat Polygonaceae 89 Chrysanthemum leucanthemum* Ox-eye daisy Asteraceae 1 415 Tragopogon dubius* Oysterplant Asteraceae 1 1284 Carex pachystachya Pachystachy sedge Cyperaceae 100 Cornus nuttallii Pacific dogwood Cornaceae 1 1141 Abies amabilis Pacific silver fir Pinaceae 1402 Eritrichium nanum Pale alpine forget-me-not Boraginaceae 1532 Panicum acuminatum Panicgrass Poaceae 1140 Zigadenus paniculatus Panicled death-camas Liliaceae 749 Betula papyrifera Paper birch Betulaceae 1457 Juncus parryi Parry's rush Juncaceae 1686 Silene parryi Parry's silene Caryophyllaceae 1342 Cryptogramma crispa Parsley fern Polypodiaceae 1537 Pastinaca sativa* Parsnip Apiaceae 1 Parsnip-flowered 646 Polygonaceae buckwheat 1480 Luetkea pectinata Partridge foot Rosaceae 1512 Monolepis nuttalliana Patata Chenopodiaceae 9 Adenocaulon bicolor Pathfinder Asteraceae 834 Astragalus misellus Pauper milkvetch Fabaceae 1546 Penstemon payettensis Payette penstemon Scrophulariaceae 1366 Draba paysonii Payson's draba Brassicaceae 1092 Salix amygdaloides Peachleaf willow Salicaceae 28 Anaphalis margaritacea Pearly everlasting Asteraceae 1533 Parietaria pennsylvanica Pellitory Urticaceae 1531 Oxytropis deflexa Pendant-pod crazyweed Fabaceae 1246 Cardamine pennsylvanica bittercress Brassicaceae 240 Mentha piperita* Peppermint Lamiaceae 1 1000 Lomatium nudicaule Pestle parsnip Apiaceae 933 Erigeron philadelphicus Philadelphia daisy Asteraceae 86 Chenopodium album* Pigweed Chenopodiaceae 1 233 Matricaria matricarioides* Pineapple weed Asteraceae 1 647 Pterospora andromedea Pinedrops Ericaceae 648 Pinegrass Poaceae 649 Microsteris gracilis Pink microsteris Polemoniaceae 1143 Abronia umbellata Pink sandverbena Nyctaginaceae 316 Pyrola asarifolia Pink wintergreen Ericaceae Lomatium piperi Piper's bisciut-root Apiaceae 1477 934 Erigeron piperianus Piper's daisy Asteraceae 1645 Salix piperi Piper's willow Salicaceae 1488 Luzula piperi Piper's woodrush Juncaceae 88 Chimaphila umbellata Pipsissewa Ericaceae 953 Gentiana affinis Pleated gentian Gentianaceae

16 650 Rhus radicans Poison ivy Anacardiaceae 1274 Carex limnophylla Pond sedge Cyperaceae 653 Ponderosa pine Pinaceae 859 Carex hystricina Porcupine sedge Cyperaceae 979 Iva axillaris Poverty weed Asteraceae 1224 Atriplex powellii Powell's orache Chenopodiaceae 655 Koeleria cristata junegrass Poaceae 1005 Lupinus lepidus Prairie lupine Fabaceae 1218 Astragalus adsurgens Prairie milk-vetch Fabaceae 656 Geum triflorum Prairie smoke Rosaceae 329 Ribes lacustre Prickly currant Grossulariaceae 196 Lactuca serriola* Prickly lettuce Asteraceae 1 988 Leptodactylon pungens Prickly phlox Polemoniaceae 619 Ligustrum sp. Privet sp. Oleaceae 1155 Amaranthus blitoides Prostrate pigweed Amaranthaceae 1561 Physostegia parviflora Purple dragon-head Lamiaceae 769 Lythrum salicaria* Purple loosestrife Lythraceae 1 657 Astragalus agrestis Purple milkvetch Fabaceae 1660 Saxifraga oppositifolia Purple mountain saxifrage Saxifragaceae 1241 Calamagrostis purpurescens Purple pinegrass Poaceae 1649 Sanicula bipinnatifida Purple sanicle Apiaceae 1044 Osmorhiza purpurea Purple sweet-cicely Apiaceae 1021 Mimulus floribundus Purple-stem monkey-flower Scrophulariaceae 726 Veronica peregrins Purseline's speedwell Scrophulariaceae 836 Astragalus purshii Pursh's milk-vetch Fabaceae 1706 Spraguea umbellata Pussypaws Portulacaceae 1656 Saxifraga debilis Pygmy saxifrage Saxifragaceae 660 Spiraea pyramidata Pyramid spiraea Rosaceae 12 Agropyron repens* Quack grass Poaceae 1 294 Populus tremuloides Quaking aspen Salicaceae 1331 Clintonia uniflora Queen's cup Liliaceae 1724 Thelypteris quelpaertensis* Queen's-veil maiden fern Polypodiaceae 1 1434 Haplopappus bloomeri Rabbitbrush goldenweed Asteraceae 1078 Polypogon monspeilensis* Rabbitsfoot grass Poaceae 1 1168 Antennaria racemosa pussy-toes Asteraceae 661 Clarkia pulchella Ragged Robin Onagraceae 138 Festuca myuros* Rat-tail fescue Poaceae 1 1619 Rhinanthus cristi-galli Rattle-box Scrophulariaceae 662 Bromus brizaeformis* Rattlesnake grass Poaceae 1 162 Goodyera oblongifolia Rattlesnake-plantain Orchidaceae 1209 Aster brachyatis Rayless alkali aster Asteraceae 1672 Senecio pauciflorus Rayless alpine butterweed Asteraceae Rayless mountain 1671 Senecio indecorus Asteraceae butterweed 1287 Carex raynoldsii Raynold's sedge Cyperaceae

421 Trifolium pratense* Red clover Fabaceae 1 814 Aquilegia formosa Red columbine Ranunculaceae 358 Sambucus racemosa Red elderberry Caprifoliaceae 140 Festuca rubra Red fescue Poaceae

17 877 Chenopodium chenopodioides Red goosefoot Chenopodiaceae 1317 Chenopodium rubrum* Red goosefoot Chenopodiaceae 1 884 Claytonia rubra Red miner's lettuce Portulacaceae 1558 Phyllodoce empetriformis Red mountain heather Ericaceae 1225 Atriplex rosea* Red orache Chenopodiaceae 1 511 Rubus idaeus* Red raspberry Rosaceae 1 390 Spergularia rubra* Red sandspurry Caryophyllaceae 1 1632 Salicornia europaea Red swampfire Chenopodiaceae 822 Aristida longiseta Red three-awn Poaceae 13 Agrostis alba* Red top Poaceae 1 1185 Arenaria rubella (y Reddish sandwort Caryophyllaceae 101 Stolonifera) Red-osier dogwood Cornaceae 1 1348 Cyperus erythrorhizos Red-root flatsedge Cyperaceae 1720 Taraxacum laevigatum* Red-seeded dandelion Asteraceae 1 81 Ceanothus sanguineus Redstem ceanothus Rhamnaceae 1658 Saxifraga lyallii Red-stem saxifrage Saxifragaceae 270 Phalaris arundinacea* Reed canarygrass Poaceae 2 159 Glyceria grandis Reed mannagrss Poaceae 1321 Cinna latifolia Reedgrass Poaceae 1458 Juncus regelii Regel's rush Juncaceae 665 Grindelia squarrosa Resinweed Asteraceae 1306 Castilleja rhexifolia Rhexia-leafed paintbrush Scrophulariaceae 946 Euphorbia glyptosperma Ribseed sandmat Euphorbiaceae 1713 Stipa richardsonii Richardson's needlegrass Poaceae 1055 Penstemon richardsonii Richardson's penstemon Scrophulariaceae 667 Potamogeton richardsonii Richardson's pondweed Potamogetonaceae 1119 Stipa comata Rip-gut Poaceae 1222 Astragalus robbinsii Robbin's milk-vetch Fabaceae 1597 Potamogeton robbinsii Robbin's pondweed Potamogetonaceae 995 Lithophragma bulbifera Rocket-star Saxifragaceae 1353 Delphinium glareosum Rockslide larkspur Ranunculaceae 984 Juniperus scopulorum Rocky Mountain juniper Cupressaceae 1291 Carex scopulorum Rocky Mtn. sedge Cyperaceae 1137 Woodsia scopulina Rocky Mtn. woodsia Polypodiaceae 712 Rosa sp. Rose sp. Rosaceae 1288 Carex rossii Ross' sedge Cyperaceae 668 Antennaria microphylla Rosy pussy-toes Asteraceae 1704 Spiraea densiflora Rosy spirea Rosaceae 1714 Streptopus roseus Rosy twisted-stalk Liliaceae 1373 Echinochloa muricta* Rough barnyard-grass Poaceae 1 1495 Lycopus asper Rough bugleweed Lamiaceae 1409 Festuca scabrella Rough fescue Poaceae 1024 Muhlenbergia asperifolia Rough-leaf dropseed Poaceae 1751 Viola orbiculata Round-leaved violet Violaceae 669 Juncus sp. Rush Juncaceae 1496 Lygodesmia juncea Rush-like skelatonweed Asteraceae 873 Centaurea repens* Russian knapweed Asteraceae 1 671 Salsola kali* Russian thistle Chenopodiaceae 1 1657 Saxifraga ferruginea Rusty saxifrage Saxifragaceae

18 1294 Carex subfusca Rusty sedge Cyperaceae 1196 Arnica rydbergii Rydberg's arnica Asteraceae 1547 Penstemon rydbergii Rydberg's penstemon Scrophulariaceae 672 Ranunculus glaberrimus Sagebrush buttercup Ranunculaceae 851 Calochortus macrocarpus Sagebrush mariposa Liliaceae 962 Hackelia arida Sagebrush stickseed Boraginaceae 965 Hackelia diffusa Sagebrush stickseed Boraginaceae 341 Rubus spectabilus Salmonberry Rosaceae 1115 Sporobolus cryptandrus Sand dropseed Poaceae 1755 * Sand violet Violaceae 1 673 Poa sandbergii Sandberg's bluegrass Poaceae 1516 Muhlenbergia racemosa Satin-grass Poaceae 1583 Polygonum sawatchense Sawatch knotweed Polygonaceae 80 Carex stipata Sawbeak sedge Cyperaceae 1303 Castilleja miniata Scarlet paintbrush Scrophulariaceae 1664 Scheuchzeria palustris Scheuchzeria Scheuchzeriaceae 354 Salix scouleriana Scouler willow Salicaceae 974 Hieracium scouleri Scouler's hawkweed Asteraceae 675 Plagiobothrys scouleri Scouler's popcorn-flower Boraginaceae 1449 Hypericum scouleri Scouler's St. John's-wort Hypericaceae 130 Equisetum hyemale Scouring rush Equisetaceae 528 Equisetum sp. Scouring rush sp. Equisetaceae 119 Distichlis spicata Seashore salt grass Poaceae 426 Triglochin maritimum Seaside arrowgrass Juncaginaceae 1519 Myosurus aristatus Sedge mousetail Ranunculaceae 1192 Arnica longifolia Seep-spring arnica Asteraceae 305 Prunella vulgaris Self-heal Lamiaceae 1754 Viola selkirkii Selkirk's violet Violaceae 1183 Arenaria laricifolia Serpentine stichwort Caryophyllaceae 26 Amelanchier alnifolia Serviceberry Rosaceae 936 Erigeron pumilus Shaggy fleabane Asteraceae 1408 Festuca ovina Sheep fescue Poaceae 1268 Carex illota Sheep sedge Cyperaceae 343 Rumex acetocella* Sheep sorrel Polygonaceae 1 68 Capsella bursa-pastoris* Shepherd's purse Brassicaceae 1 1086 Ranunculus cymbalaria Shore buttercup Ranunculaceae 1275 Carex limosa Shore sedge Cyperaceae 1153 Alopecurus aequalis Short-awned foxtail Poaceae Short-flowered monkey- 1502 Mimulus breviflorus Scrophulariaceae flower 1693 Smelowskia ovalis Short-fruited smelowskia Brassicaceae 1211 Aster conspicuus Showy aster Asteraceae 1396 Erigeron speciosus Showy fleabane Asteraceae 1577 Polemonium pulcherrimum Showy Jacob's ladder Polemoniaceae 681 Asclepias speciosa Showy milkweed Asclepiadaceae 1499 Melica spectabilis Showy oniongrass Poaceae 1056 Penstemon speciosus Showy penstemon Scrophulariaceae 682 Phlox speciosa Showy phlox Polemoniaceae 1167 Antennaria pulcherrima Showy pussytoes Asteraceae 1293 Carex spectabilis Showy sedge Cyperaceae

19 1601 Potentilla fruticosa Shrubby cinquefoil Rosaceae 1544 Penstemon fruticosus Shrubby penstemon Scrophulariaceae 1025 Myriophyllum sibericum Siberian water-milfoil Haloragaceae 1497 Medicago falcata* Sickle medic Fabaceae 1 1001 Lupinus albicaulis Sickle-keeled lupine Fabaceae 683 Arabis sparsiflora Sicklepod rockcress Brassicaceae 1541 Pedicularis racemosa Sickletop lousewort Scrophulariaceae 1194 Arnica nevadensis Sierra arnica Asteraceae 684 Disporum trachycarpum Sierra fairy-bell Liliaceae 982 Juncus nevadensis Sierra rush Juncaceae 685 Lupinus sericeus Silky lupine Fabaceae 1556 Phacelia sericea Silky phacelia Hydrophyllaceae 865 Carex praegracilis Silver sedge Cyperaceae 1481 Luina hypoleuca Silverback luina Asteraceae 1374 Elaeagnus commutata Silverberry Elaeagnaceae 1482 Luina nardosmia Silvercrown luina Asteraceae 1258 Carex canescens Silvery sedge Cyperaceae 1709 Stellaria simcoei Simcoe Mtn. starwort Caryophyllaceae 384 Sparganium emersum Simplestem bur-reed Sparganiaceae 1703 Sparganium emersum Simplestem bur-reed Sparganiaceae 1290 Carex scirpoidea Single spike sedge Cyperaceae 761 Alnus viridis sinuata Sitka alder Betulaceae 1648 Sanguisorba sitchensis Sitka burnet Rosaceae 1089 Romanzoffia sitchensis Sitka mistmaiden Hydrophyllaceae 1701 Sorbus sitchensis Sitka mountain-ash Rosaceae 1292 Carex sitchensis Sitka sedge Cyperaceae 1741 Sitka valerian Valerianaceae 355 Salix sitchensis Sitka willow Salicaceae 1578 Polemonium viscosum Skunk polemonium Polemoniaceae 978 Ipomopsis aggregata Skyrocket Polemoniaceae 1047 Pectocarya penicillata Sleeping combseed Boraginaceae 1682 Silene antirrhina* Sleepy catchfly Caryophyllaceae 1 1687 Silene scouleri Sleepy catchfly Caryophyllaceae 193 Juncus tenuis Slender (tapered) rush Juncaceae 1568 Poa gracillima Slender bluegrass Poaceae 1432 Habenaria saccata Slender bog-orchid Orchidaceae 1339 Cryptantha affinis Slender cryptantha Boraginaceae 1368 Draba stenoloba Slender draba Brassicaceae 996 Lithophragma tenella Slender fringecup Saxifragaceae 1355 Deschampsia elongata Slender hairgrass Poaceae 899 Crepis atrabarba Slender hawksbeard Asteraceae 1443 Hieracium gracile Slender hawkweed Asteraceae 1566 Plagiobothrys tenellus Slender popcorn-flower Boraginaceae 1271 Carex lasiocarpa Slender sedge Cyperaceae 74 Carex arthrostachya Slender-beak sedge Cyperaceae 1592 Potamogeton filiformis Slender-leaved pondweed Potamogetonaceae 878 Chenopodium leptophyllum Slim-leaf goosefoot Chenopodiaceae 847 Calamagrostis neglecta Slimstem reedgrass Poaceae 1242 Calamagrostis stricta Slim-stem reegrass Poaceae

20 1229 Beckmannia syzigachne Sloughgrass Poaceae 148 Galium trifidum Small bedstraw Rubiaceae 688 Mertensia longiflora Small bluebells Boraginaceae 385 Sparganium minimum Small bur-reed Sparganiaceae 948 Festuca microstachys Small fescue Poaceae 1431 Habenaria obtusata Small northern bog-orchid Orchidaceae 1596 Potamogeton pusillus Small pondweed Potamogetonaceae 1750 Viola macloskeyi Small white violet Violaceae Small-flowered blue-eyed 689 Collinsia parviflora Scrophulariaceae Mary 364 Scirpus microcarpus Small-flowered bulrush Cyperaceae 251 Myosotis laxa not Boraginaceae 956 Gilia minutiflora Small-flowered gilia Polemoniaceae 1304 Castilleja parviflora albida Small-flowered paintbrush Scrophulariaceae 1053 Penstemon procerus Small-flowered penstemon Scrophulariaceae 690 Lithophragma parviflorum Small-flowered prairie-star Saxifragaceae 926 Epilobium minutum Small-flowered willow-herb Onagraceae

223 Luzula parviflora Small-flowered woodrush Juncaceae 691 Madia minima Small-head tarweed Asteraceae 1176 Arabis microphylla Small-leaf rockcress Brassicaceae 1279 Carex microptera Small-winged sedge Cyperaceae 1441 Heuchera glabra Smooth alumroot Saxifragaceae 693 Bromus inermis* Smooth brome Poaceae 1 694 Equisetum laevigatum Smooth scouring-rush Equisetaceae 1384 Epilobium glaberrimum Smooth willow-herb Onagraceae 695 Lithophragma glabrum Smooth woodlandstar Saxifragaceae 472 Smooth woodrush Juncaceae 1228 Bassia hyssopifolia Smotherweed Chenopodiaceae 1341 Cryptantha spiculifera Snake River cryptantha Boraginaceae 696 Eriogonum niveum Snow buckwheat Polygonaceae 1612 Ranunculus eschscholtzii Snow buttercup Ranunculaceae 1602 Potentilla nivea Snow cinquefoil Rosaceae 922 Douglasia nivalis Snow douglasia Primulaceae 1644 Salix nivalis Snow willow Salicaceae 1307 Ceanothus velutinus Snowbrush Rhamnaceae 1610 Pyrola minor Snowline pyrola Ericaceae 59 Bromus mollis* Soft brome Poaceae 1 1265 Carex disperma Soft-leaved sedge Cyperaceae 344 Rumex crispus* Sour dock Polygonaceae 1 87 Chenopodium hybridum Sowbane Chenopodiaceae 216 Lotus purshiana Spanish clover Fabaceae 1394 Erigeron lonchophyllus Spear-leaf fleabane Asteraceae 799 Agrostis exarata* Spike bentgrass Poaceae 1 697 Myriophyllum spicatum* Spiked water-milfoil Haloragaceae 1 1489 Luzula spicata Spiked woodrush Juncaceae 1281 Carex nardina Spikenard sedge Cyperaceae 698 Eleocharis sp. Spikerush Cyperaceae 1125 Talinum spinescens Spiny fameflower Portulacaceae 99 Corallorhiza maculata Spotted coral-root Orchidaceae

21 508 Centaurea maculosa Spotted knapweed Asteraceae 1654 Saxifraga bronchialis Spotted saxifrage Saxifragaceae 930 Erigeron divergens Spreading daisy Asteraceae 699 Apocynum androsaemifolium Spreading dogbane Apocynaceae Gayophytum diffusum Spreading groundsmoke Onagraceae 952 1063 Phlox diffusa Spreading phlox Polemoniaceae 1171 Arabis divaricarpa Spreadingpod rockcress Brassicaceae

120 Draba verna Spring whitlow-grass Brassicaceae 1004 Lupinus laxiflorus Spurred lupine Fabaceae 1584 Polygonum spergulariaeforme Spurry knotweed Polygonaceae 727 Viburnum edule cranberry) Caprifoliaceae 700 Sitanion hystrix Squirreltail Poaceae 701 Lemna trisulca Star duckweed Lemnaceae 376 Smilacina stellata seal Liliaceae 1357 Dicentra uniflora Steer's head Fumariaceae 1485 Lupinus caespitosus Stemless dwarf lupine Fabceae 1190 Arnica diversifolia Sticky arnica Asteraceae 702 Potentilla glandulosa Sticky cinquefoil Rosaceae 1624 Ribes viscosissimum Sticky currant Grossulariaceae 1491 Lycopodium annotinum Stiff clubmoss Lycopodiaceae 1525 Oligoneuron rigidum* Stiff goldenrod Asteraceae 1 433 Urtica dioica Stinging nettle Urticaceae 1330 Cleome serrulata Stinkweed Capparidaceae 810 Antennaria flagellaris Stolonous pussy-toes Asteraceae 1628 Rubus pedatus Strawberry bramble Rosaceae 719 Viola glabella Stream violet Violaceae 1188 Arnica amplexicaulis Streambank arnica Asteraceae 1674 Senecio pseudaureus Streambank butterweed Asteraceae 1451 Iliamna rivularis Streambank globemallow Malvaceae 1328 Claytonia parviflora Streambank spring beauty Portulacaceae 1514 Montia parvifolia Streambank spring beauty Portulacaceae 1380 Elymus lanceolatus Streambank wheatgrass Poaceae 941 Eriogonum strictum Strict buckwheat Polygonaceae 1395 Erigeron peregrinus Subalpine daisy Asteraceae 1142 Sub-alpine fir Pinaceae 1463 Subalpine Pinaceae

1688 Silene suksdorfii Suksdorf's silene Caryophyllaceae Eriogonum umbellatum Sulfur buckwheat Polygonaceae 708 1008 Lupinus sulphureus Sulphur lupine Fabaceae 1087 Rhus glabra Sumac Anacardiaceae 709 Lomatium ambiguum Swale desert-parsley Apiaceae 395 Stachys palustris Swamp hedge-nettle Lamiaceae 710 Polygonum coccineum Swamp persicaria Polygonaceae 1387 Epilobium palustre Swamp willow-herb Onagraceae 474 Osmorhiza chilensis Sweet-cicely Apiaceae 1445 Hierochloe odorata Sweetgrass Poaceae

22 1669 Senecio foetidus Sweet-marsh butterweed Asteraceae 291 Polystichum munitum Sword fern Polypodiaceae 1758 Zygophyllum fabago* Syrean bean-caper Zygophyllacea 1 717 Valeriana edulis Tabacco-root Valerianaceae 867 Carex tahoensis Tahoe sedge Cyperaceae 1146 Agoseris elata Tall agoseris Asteraceae 127 Epilobium paniculatum Tall annual willow-herb Onagraceae 1232 Bidens vulgata Tall beggar-ticks Asteraceae 194 Lactuca biennis Tall blue lettuce Asteraceae 241 Mertensia paniculata Tall bluebells Boraginaceae 1398 Eriogonum elatum Tall buckwheat Polygonaceae 1080 Potentilla arguta Tall cinquefoil Rosaceae 1367 Draba praealta Tall draba Brassicaceae 158 Glyceria elata Tall mannagrass Poaceae 980 Iva xanthifolia Tall marsh-elder Asteraceae 52 Berberis aquifolium Tall Oregongrape Berberidaceae 203 Lepidium virginicum* Tall pepperweed Brassicaceae 1 1555 Phacelia procera Tall phacelia Hydrophyllaceae 1164 Antennaria anaphaloides Tall pussy-toes Asteraceae 428 Trisetum canescens Tall trisetum Poaceae 185 Juncus acuminatus Tapered rush Juncaceae 898 Crepis acuminata Tapertip hawksbeard Asteraceae 718 Allium acuminatum Taper-tip onion Liliaceae 825 Artemesia dracunculus Tarragon Asteraceae 35 Arabidopsis thaliana* Thale cress Brassicaceae 1 993 Linanthus pharnaceoides Theadleaf linanthus Polemoniaceae 1361 Draba crassifolia Thick-leaved draba Brassicaceae 1129 Thelopodium laciniatum Thick-leaved thelepody Brassicaceae 1147 Agropyron dasytachyum Thickspike wheatgrass Poaceae 340 Rubus parviflorus Thimbleberry Rosaceae 729 Orthocarpus tenuifolius Thin-leaved owl-clover Scrophulariaceae 459 Cirsium sp. Thistle Asteraceae 870 Castilleja thompsonii Thompson's paintbrush Scrophulariaceae 1237 Brickellia oblongifolia Thoroughwort Asteraceae 1454 Juncus filiformis Thread rush Juncaceae 931 Erigeron filifolius Thread-leaf fleabane Asteraceae 733 Phacelia linearis Thread-leaf phacelia Hydrophyllaceae 737 Carex filifolia Thread-leaf sedge Cyperaceae 1182 Arenaria capillaris Thread-leaved sandwort Caryophyllaceae 362 Scirpus americanus Three-square bulrush Cyperaceae 1510 Mitella trifida Three-tooth mitrewort Saxifragaceae 937 Erigeron subtrinervis Three-veined fleabane Asteraceae 618 Agrostis thurberiana Thurber's bentgrass Poaceae 791 Stipa thurberiana Thurber's needlegrass Poaceae 942 Eriogonum thymoides Thyme-leaf buckwheat Polygonaceae 1186 Arenaria serpyllifolia* Thyme-leaf sandwort Caryophyllaceae 1 444 Veronica serpyllifolia Thyme-leaf speedwell Scrophulariaceae 784 Euphorbia serpyllifolia* Thyme-leaf spurge Euphorbiaceae 1 1150 Agrostis scabra Tickle-grass Poaceae

23 205 Lilium columbianum Tiger lily Liliaceae 1350 Danthonia intermedia Timber oatgrass Poaceae 271 Phleum pratense* Timothy Poaceae 1 468 Hypericum anagalloides wort) Clusiaceae 1029 Oenothera andina Tiny evening-primrose Onagraceae 189 Juncus bufonius* Toad rush Juncaceae 1 781 Cryptantha torreyana Torrey's cryptantha Boraginaceae 1459 Juncus torreyi Torrey's rush Juncaceae 182 Impatiens noli-tangere Touch-me-not Balsaminaceae 816 Arabis glabra Tower mustard Brassicaceae 1468 Ledum glandulosum Trapper's tea Ericaceae 1404 Erysimum cheiranthoides Treacle mustard Brassicaceae 1456 Juncus nodosus Tuberous rush Juncaceae 1467 Lathyrus tuberosus* Tuberous sweet-pea Fabaceae 1 114 Deschampsia caespitosa Tufted hairgrass Poaceae 1010 Lysimachia thrysiflora Tufted loosestrife Primulaceae 793 Phlox caespitosa Tufted phlox Polemoniaceae 915 Cymopteris terebinthinus Turpentine spring-parsley Apiaceae 1647 Salix tweedyi Tweedy's willow Salicaceae 823 Arnica sororia Twin arnica Asteraceae 212 Lonicera involucrata Twinberry Caprifoliaceae 206 Linnaea borealis Twinflower Caprifoliaceae 1543 Penstemon diphyllus Two-leaf penstemon Scrophulariaceae 812 Antennaria umbrinella Umber pussy-toes Asteraceae 666 Delphinium nuttallianum Upland larkspur Ranunculaceae 1478 Lonicera utahensis honeysuckle Caprifoliaceae 1156 Amelanchier utahensis Utah serviceberry Rosaceae 1297 Carex vallicola Valley sedge Cyperaceae 1151 Agrostis variabilis Variable bentgrass Poaceae 1637 Salix commutata Variable willow Salicaceae 1554 Phacelia heterophylla Varileaf phacelia Hydrophyllaceae 1723 Thalictrum venulosum Veiny medowrue Ranunculaceae 501 Lupinus leucophyllus Velvet lupine Fabaceae 1736 Vaccinium myrtilloides Velvet-leaf huckleberry Ericaceae 1729 Triodanis perfoliata Venus' looking-glass Campanulaceae 607 Veronica sp. Veronica sp. Scrophulariaceae 1605 Potentilla villosa Villous cinquefoil Rosaceae 1536 Parthenocissus vitacea* Virginia creeper Vitaceae 1 886 Clematis lingusticifolia Virgin's bower Ranunculaceae 1103 Selaginella wallacei Wallace's selaginella Selaginellaceae 1412 Festuca washingtonica fescue Poaceae 1550 Penstemon washingtonensis Washington penstemon Scrophulariaceae 1423 Geum rivale Water avens Rosaceae 780 Betula occidentalis Water birch Betulaceae 796 Ranunculus aquatilis Water buttercup Ranunculaceae 226 Lycopus americanus Water hoarhound Lamiaceae 1251 Carex aquatilis Water sedge Cyperaceae 284 Polygonum amphibium Water smartweed Polygonaceae 520 Veronica anagallis-aquatica* (pimpernel) Scrophulariaceae

24 479 Rorippa nasturtium-aquaticum* Watercress Brassicaceae 1 774 Cicuta douglasii Water-hemlock Apiaceae 1691 Sium suave Water-parsnip Apiaceae 1580 Polygonum hydropiperoides Waterpepper Polygonaceae 1611 Ranunculus alismaefolius Water-plantain buttercup Ranunculaceae 1625 Ribes watsonianum Watson gooseberry Grossulariaceae 913 Cryptantha watsonii Watson's cryptantha Boraginaceae 128 Epilobium watsonii Watson's willow-herb Onagraceae 1521 Najas flexilus Wavy water-nymph Najadaceae 1019 Microseris troximoides Wavyleaf microseris Asteraceae 546 Ribes cereum Wax currant Grossulariaceae 315 Puccinellia pauciflora Weak alkaligrass Poaceae 1113 Sphenopholis obtusata Wedgegrass Poaceae 1653 Saxifraga ascendens Wedge-leaf saxifrage Saxifragaceae 621 Atriplex truncata Wedgescale orache Chenopodiaceae 835 Astragalus miser Weedy milk-vetch Fabaceae 1739 Valeriana columbiana Wenatchee valerian Valerianaceae 1217 Aster occidentalis Western aster Asteraceae 788 Iris missouriensis Western blue flag Iridaceae 745 Kalmia microphylla laurel Ericaceae 1309 Centaurium exaltatum Western centaury Gentianaceae 1333 Corallorhiza mertensiana Western coral-root Orchidaceae 347 Rumex occidentalis Western dock Polygonaceae 1344 Cuscuta californica Western dodder Cuscutaceae 1169 Apocynum medium Western dogbane Apocynaceae 1180 Arceuthobium campylopodum Western dwarf mistletoe Loranthaceae 711 Festuca occidentalis Western fescue Poaceae 1721 Teucrium canadense Western germander Lamiaceae 1699 Solidago occidentalis Western goldenrod Asteraceae Senecio integerrimus Western groundsel Asteraceae 779 904 Crepis occidentalis Western hawksbeard Asteraceae 1442 Hieracium albertinum Western hawkweed Asteraceae 1464 Larix occidentalis Western larch Pinaceae 827 Aster campestris Western meadow aster Asteraceae 1127 Thalictrum occidentale Western meadowrue Ranunculaceae 1120 Stipa occidentalis Western needlegrass Poaceae 1576 Polemonium occidentale Western polemonium Polemoniaceae 1606 Prenanthes alata Western rattlesnake-root Asteraceae 412 Thuja plicata Western red cedar Cupressaceae 1098 Saxifraga occidentalis Western saxifrage Saxifragaceae 1717 Symphoricarpos occidentalis Western snowberry Caprifoliaceae 883 Claytonia lanceolata Western spring beauty Portulacaceae 986 Lappula redowskii Western stickseed Boraginaceae 264 Osmorhiza occidentalis Western sweet-cicely Apiaceae 782 Descurainia pinnata Western tansymustard Brassicaceae 1565 Pinus monticola Western white pine Pinaceae 332 Rorippa curvisiliqua Western yellowcress Brassicaceae 409 Taxus brevifolia Western yew Taxaceae

25 1072 Poa nervosa Wheeler's bluegrass Poaceae 1428 Habenaria dilatata White bog-orchid Orchidaceae 224 Lychnus alba* White campion Caryophyllaceae 1 423 Trifolium repens* White clover Fabaceae 1

1371 Dryas octopetala White dryas Rosaceae 1243 Caltha biflora White marshmarigold Ranunculaceae 1298 Cassiope mertensiana White mountain heather Ericaceae 798 Plectritis macrocera White plectritus Valerianaceae 292 Populus alba* White poplar Salicaceae 1 1620 Rhododendron albiflorum White rhododendron Ericaceae 1358 Dodecatheon dentatum White shooting star Primulaceae 1562 Picea glauca White spruce Pinaceae 236 Melilotus alba* White sweet-clover Fabaceae 1 1326 Cirsium hookerianum White thistle Asteraceae 1564 Pinus albicaulis White-bark pine Pinaceae 968 Halimolobos whitedii Whited's halimolobos Brassicaceae 168 Hieracium albiflorum White-flowered hawkweed Asteraceae 787 Phacelia hastata White-leaf phacelia Hydrophyllaceae 1112 Sphaeralcea munroana White-leaved globe mallow Malvaceae 1595 Potamogeton praelongus White-stalked pondweed Potamogetonaceae 785 Ribes inerme Whitestem gooseberry Grossulariaceae 1033 Oenothera pallida White-stemmed e-p Onagraceae 1014 Mentzelia albicaulis White-stemmed mentzelia Loasaceae 1132 Trifolium variegatum White-tip clover Fabaceae 1520 Myriophyllum verticillatum Whorled water-milfoil Haloragaceae 789 Linum perenne Wild blue-flax Linaceae 1038 Oenothera villosa* Wild evening-primrose Onagraceae 1 954 Geranium carolinianum Wild geranium Geraniaceae 1226 Avena fatua* Wild oats Poaceae 1 142 Fragaria vesca Wild strawberry Rosaceae 356 Salix sp. Willow Salicaceae 1629 Rumex salicifolius Willow dock Polygonaceae 288 Polygonum lapathifolium* Willow weed Polygonaceae 1 1369 Draba ventosa Wind River draba Brassicaceae 1046 Pectocarya linearis Winged combseed Boraginaceae 1091 Rumex venosus Winged dock Polygonaceae 911 Cryptantha pterocarya Wing-nut cryptantha Boraginaceae 794 Polygonum majus Wiry knotweed Polygonaceae 1511 Moneses uniflora Woodnymph Ericaceae 775 Antennaria luzuloides Woodrush pussy-toes Asteraceae 1276 Carex luzulina Woodrush sedge Cyperaceae 1364 Draba nemerosa Wood's draba Brassicaceae 610 Rosa woodsii Wood's rose Rosaceae 1414 Fragaria virginiana Woods strawberry Rosaceae 786 Hydrophyllum capitatum Woolly breeches Hydrophyllaceae 1131 Trifolium microcephalum Woolly clover Fabaceae 863 Carex pellita Woolly sedge Cyperaceae 861 Carex lanuginosa Wooly sedge Cyperaceae

26 783 Sedum stenopetalum Worm-leaf stonecrop Crassulaceae 828 Aster pansus Wreath aster Asteraceae 1009 Lupinus wyethii Wyeth's lupine Fabaceae 1551 Perideridia gairdneri Yampah Apiaceae 5 Achillea millifolium Yarrow Asteraceae 1422 Geum aleppicum Yellow avens Rosaceae 552 Fritillaria pudica Yellow bell Liliaceae 1334 Corallorhiza trifida Yellow coral-root Orchidaceae 372 Setaria lutescens* Yellow foxtail Poaceae 1 1559 Phyllodoce glanduliflora Yellow heather Ericaceae 790 Cypripedium calceolus Yellow lady's-slipper Orchidaceae 1526 Orthocarpus luteus Yellow owl-clover Scrophulariaceae 1050 Penstemon confertus Yellow penstemon Scrophulariaceae 259 Nuphar polysepalum Yellow pond lily Nymphaeaceae 1135 Viola nuttallii Yellow prairie violet Violaceae 1308 Centaurea solstitialis* Yellow starthistle Asteraceae 1 238 Melilotus officinalis* Yellow sweet-clover Fabaceae 1 1439 Hedysarum sulphurescens Yellow sweet-vetch Fabaceae 1641 Salix lutea Yellow willow Salicaceae 1386 Epilobium luteum Yellow willow-herb Onagraceae 1362 Draba incerta Yellowstone draba Brassicaceae

27