Spokane County Plant List by Scientific Name
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The NatureMapping Program Washington Plant List Revised: 9/15/2011 Spokane County by Scientific Name (1) Non- native, (2) ID Scientific Name Common Name Plant Family Invasive √ 1142 Abies lasiocarpa Sub-alpine fir Pinaceae 763 Acer glabrum Douglas maple Aceraceae 5 Achillea millifolium Yarrow Asteraceae 1144 Aconitum columbianum Monkshood Ranunculaceae 8 Actaea rubra Baneberry Ranunculaceae 9 Adenocaulon bicolor Pathfinder Asteraceae 705 Agoseris glauca Mountain agoseris Asteraceae 11 Agropyron caninum Bearded wheatgrass Poaceae 560 Agropyron cristatum* Crested wheatgrass Poaceae 1 12 Agropyron repens* Quack grass Poaceae 1 744 Agropyron smithii Bluestem Poaceae 523 Agropyron spicatum Blue-bunch wheatgrass Poaceae 13 Agrostis alba* Red top Poaceae 1 799 Agrostis exarata* Spike bentgrass Poaceae 1 599 Agrostis interrupta* Interrupted apera Poaceae 1 1150 Agrostis scabra Tickle-grass Poaceae 15 Agrostis stolonifera Colonian bentgrass Poaceae 19 Alisma plantago-aquatica American waterplantain Alismataceae 718 Allium acuminatum Taper-tip onion Liliaceae 583 Allium geyeri Geyer's onion Liliaceae 626 Alnus incana Mountain alder Betulaceae 1153 Alopecurus aequalis Short-awned foxtail Poaceae 1155 Amaranthus blitoides Prostrate pigweed Amaranthaceae 805 Ambrosia acanthicarpa Bur ragweed Asteraceae 26 Amelanchier alnifolia Serviceberry Rosaceae 806 Amsinckia intermedia Fireweed fiddleneck Boraginaceae 536 Amsinckia lycopsoides Bugloss fiddleneck Boraginaceae 27 Amsinckia menziesii Menzies' fiddleneck Boraginaceae 28 Anaphalis margaritacea Pearly everlasting Asteraceae 1157 Anchusa officinalis* Alkanet Boraginaceae 1 622 Antennaria dimorpha Low pussy-toes Asteraceae 775 Antennaria luzuloides Woodrush pussy-toes Asteraceae 668 Antennaria microphylla Rosy pussy-toes Asteraceae 1165 Antennaria neglecta Field pussy-toes Asteraceae 1166 Antennaria parvifolia Nuttall's pussytoes Asteraceae 1168 Antennaria racemosa Raceme pussy-toes Asteraceae 699 Apocynum androsaemifolium Spreading dogbane Apocynaceae 813 Apocynum cannabinum Hemp dogbane Apocynaceae 1169 Apocynum medium Western dogbane Apocynaceae 35 Arabidopsis thaliana* Thale cress Brassicaceae 1 1171 Arabis divaricarpa Spreadingpod rockcress Brassicaceae 816 Arabis glabra Tower mustard Brassicaceae 817 Arabis holboellii Holboell's rockcress Brassicaceae 1177 Arabis nuttallii Nuttall's rockcress Brassicaceae 683 Arabis sparsiflora Sicklepod rockcress Brassicaceae 1180 Arceuthobium campylopodum Western dwarf mistletoe Loranthaceae 37 Arctium minus* Common burdock Asteraceae 1 38 Arctostaphylos uva-ursi Bearberry Ericaceae 1182 Arenaria capillaris Thread-leaved sandwort Caryophyllaceae 820 Arenaria congesta Dense-flowered sandwort Caryophyllaceae 533 Arenaria lateriflora Bluntleaf sandwort Caryophyllaceae 39 Arenaria macrophylla Big-leaf sandwort Caryophyllaceae 1186 Arenaria serpyllifolia* Thyme-leaf sandwort Caryophyllaceae 1 822 Aristida longiseta Red three-awn Poaceae 1189 Arnica cordifolia Heart-leaf arnica Asteraceae 590 Arnica fulgens Hillside arnica Asteraceae 1191 Arnica latifolia Mountain arnica Asteraceae 1192 Arnica longifolia Seep-spring arnica Asteraceae 1194 Arnica nevadensis Sierra arnica Asteraceae 823 Arnica sororia Twin arnica Asteraceae 1197 Artemesia absinthium* Absinthe Asteraceae 1 824 Artemesia campestris Northern wormwood Asteraceae 40 Artemesia douglasiana Douglas' sagewort Asteraceae 825 Artemesia dracunculus Tarragon Asteraceae 1201 Artemesia michauxiana Michaux mugwort Asteraceae 681 Asclepias speciosa Showy milkweed Asclepiadaceae 44 Asperugo procumbens* Madwort Boraginaceae 1 827 Aster campestris Western meadow aster Asteraceae 1211 Aster conspicuus Showy aster Asteraceae 45 Aster eatonii Eaton's aster Asteraceae 1212 Aster engelmannii Engelman's aster Asteraceae 1214 Aster foliaceus Leafy aster Asteraceae 1216 Aster modestus Great northern aster Asteraceae 1217 Aster occidentalis Western aster Asteraceae 828 Aster pansus Wreath aster Asteraceae 497 Aster sp. Aster Asteraceae 46 Aster subspictus Douglas' aster Asteraceae 1218 Astragalus adsurgens Prairie milk-vetch Fabaceae 657 Astragalus agrestis Purple milkvetch Fabaceae 829 Astragalus canadensis Canada milk-vetch Fabaceae 836 Astragalus purshii Pursh's milk-vetch Fabaceae 47 Athyrium filix-femina Lady fern Polypodiaceae 621 Atriplex truncata Wedgescale orache Chenopodiaceae 1226 Avena fatua* Wild oats Poaceae 1 495 Balsamorhiza sagittata Arrow-leaf balsamroot Asteraceae 51 Barbarea orthoceras American wintercress Brassicaceae 1229 Beckmannia syzigachne Sloughgrass Poaceae 52 Berberis aquifolium Tall Oregongrape Berberidaceae 53 Berberis nervosa Cascade Oregongrape Berberidaceae 559 Berberis repens Creeping Oregongrape Berberidaceae 1230 Berula erecta Cutleaf water-parsnip Apiaceae 780 Betula occidentalis Water birch Betulaceae 749 Betula papyrifera Paper birch Betulaceae 56 Bidens frondosa Leafy beggar-ticks Asteraceae 1232 Bidens vulgata Tall beggar-ticks Asteraceae 845 Boisduvalia densiflora Dense spike-primrose Onagraceae 1236 Brickellia grandiflora Large-flowered brickellia Asteraceae 1237 Brickellia oblongifolia Thoroughwort Asteraceae 564 Brodiaea douglasii Douglas' brodiaea Liliaceae 662 Bromus brizaeformis* Rattlesnake grass Poaceae 1 1238 Bromus carinatus California brome Poaceae 1239 Bromus ciliatus Fringed brome Poaceae Common chess/Hairy Bromus commutatus* Poaceae 551 brome 1 693 Bromus inermis* Smooth brome Poaceae 1 601 Bromus japonicus* Japanese brome Poaceae 1 59 Bromus mollis* Soft brome Poaceae 1 1240 Bromus secalinus* Chess Poaceae 1 62 Bromus tectorum* Cheat grass Poaceae 1 Common (Narrow-leaf) 522 Bromus vulgaris brome Poaceae 63 Calamagrostis canadensis Bluejoint Poaceae 847 Calamagrostis neglecta Slimstem reedgrass Poaceae 648 Calamagrostis rubescens Pinegrass Poaceae 1242 Calamagrostis stricta Slim-stem reegrass Poaceae 851 Calochortus macrocarpus Sagebrush mariposa Liliaceae 569 Calypso bulbosa Fairy slipper Orchidaceae 852 Camelina microcarpa* Hairy false-flax Brassicaceae 1 553 Campanula rotundifolia Common harebell Campanulaceae 68 Capsella bursa-pastoris* Shepherd's purse Brassicaceae 1 72 Cardamine oligosperma Little Western bittercress Brassicaceae 1246 Cardamine pennsylvanica Pennsylvania bittercress Brassicaceae 1250 Carex amplifolia Big-leaf sedge Cyperaceae 1251 Carex aquatilis Water sedge Cyperaceae 1252 Carex arcta Northern clustered sedge Cyperaceae 74 Carex athrostachya Slender-beak sedge Cyperaceae 1255 Carex aurea Golden sedge Cyperaceae 855 Carex bebbii Bebb's sedge Cyperaceae 1261 Carex concinnoides Northwest sedge Cyperaceae 1263 Carex cusickii Cusick's sedge Cyperaceae 1264 Carex diandra Lesser panicled sedge Cyperaceae 857 Carex douglasii Douglas' sedge Cyperaceae 737 Carex filifolia Thread-leaf sedge Cyperaceae 858 Carex hoodii Hood's sedge Cyperaceae 1269 Carex interior Inland sedge Cyperaceae 861 Carex lanuginosa Wooly sedge Cyperaceae 1271 Carex lasiocarpa Slender sedge Cyperaceae 1272 Carex lenticularis Lenticular sedge Cyperaceae 1273 Carex leptalea Bristle-stalked sedge Cyperaceae 1284 Carex pachystachya Pachystachy sedge Cyperaceae 863 Carex pellita Woolly sedge Cyperaceae 864 Carex petasata Liddon's sedge Cyperaceae 1285 Carex phaeocephala Mountain hare sedge Cyperaceae 865 Carex praegracilis Silver sedge Cyperaceae 1288 Carex rossii Ross' sedge Cyperaceae 1291 Carex scopulorum Rocky Mtn. sedge Cyperaceae 80 Carex stipata Sawbeak sedge Cyperaceae 1295 Carex sychnocephala Many-headed sedge Cyperaceae 1296 Carex utriculata Beaked sedge Cyperaceae 598 Carex vesicaria Inflated sedge Cyperaceae 1300 Castilleja cervina Deer paintbrush Scrophulariaceae 1301 Castilleja cusickii Cusick's paintbrush Scrophulariaceae 869 Castilleja exilis Alkali paintbrush Scrophulariaceae 1303 Castilleja miniata Scarlet paintbrush Scrophulariaceae 870 Castilleja thompsonii Thompson's paintbrush Scrophulariaceae 81 Ceanothus sanguineus Redstem ceanothus Rhamnaceae 1307 Ceanothus velutinus Snowbrush Rhamnaceae 872 Centaurea diffusa* Diffuse knapweed Asteraceae 1 508 Centaurea maculosa Spotted knapweed Asteraceae 873 Centaurea repens* Russian knapweed Asteraceae 1 1310 Cerastium arvense Field chickweed Caryophyllaceae 84 Cerastium vulgatum* Mouse-ear chickweed Caryophyllaceae 1 594 Ceratophyllum demersum Hornwort Ceratophyllaceae 874 Chaenactis douglasii Dusty maidens Asteraceae 86 Chenopodium album* Pigweed Chenopodiaceae 1 876 Chenopodium botrys* Jerusalem oak Chenopodiaceae 1 1313 Chenopodium capitatum Blite goosefoot Chenopodiaceae 877 Chenopodium chenopodioides Red goosefoot Chenopodiaceae 87 Chenopodium hybridum Sowbane Chenopodiaceae 1317 Chenopodium rubrum* Red goosefoot Chenopodiaceae 1 1318 Chenopodium simplex Large-seeded goosefoot Chenopodiaceae 88 Chimaphila umbellata Pipsissewa Ericaceae 510 Chorispora tenella* Blue mustard Brassicaceae 1 89 Chrysanthemum leucanthemum* Ox-eye daisy Asteraceae 1 1319 Chrysopsis villosa Hairy golden-aster Asteraceae 880 Chrysothamnus nauseosus Gray rabbit-brush Asteraceae 881 Chrysothamnus viscidiflorus Green rabbit-brush Asteraceae 544 Cichorium intybus* Chicory Asteraceae 1 774 Cicuta douglasii Water-hemlock Apiaceae 1321 Cinna latifolia Reedgrass Poaceae 90 Circaea alpina Enchanter's nightshade Onagraceae 91 Circium arvense* Canada thistle Asteraceae 1 92 Circium vulgare* Bull thistle Asteraceae 1 1323 Cirsium brevistylum Indian thistle Asteraceae 661 Clarkia pulchella Ragged Robin Onagraceae 1327 Clarkia rhomboidea Common clarkia Onagraceae 883 Claytonia lanceolata Western spring beauty Portulacaceae 1328 Claytonia parviflora