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| scientific name | common name(s) | image gallery |
| Abies grandis | Giant fir Grand fir | |
| Abies lasiocarpa | Subalpine fir | |
| Abies procera | Noble fir | |
| Acer circinatum | Oregon vine maple Vine maple | |
| Aconitum columbianum | Columbian monkshood | |
| Acer glabrum | Rocky Mountain maple | |
| Achnatherum hymenoides | Indian ricegrass Indian Millet Sandgrass | |
| Acer macrophyllum | Bigleaf maple Big-leaf maple | |
| Achlys triphylla | Sweet after death Sweet-after-death Vanilla leaf | |
| Adiantum pedatum | Northern maidenhair Maidenhair Fern | |
| Agrostis scabra | Fly-away grass Rough bent Rough bentgrass Ticklegrass | |
| Allium cernuum | Nodding onion | |
| Alnus rhombifolia | White alder | |
| Allium validum | Pacific onion Swamp onion Tall swamp onion | |
| Amelanchier alnifolia | Saskatoon serviceberry Western serviceberry Juneberry | |
| Anaphalis margaritacea | Western pearly everlasting Pearly-everlasting | |
| Anemone multifida | Pacific anemone Red windflower Early thimbleweed Cut-leaf anemone | |
| Aquilegia formosa | Western columbine Crimson columbine Scarlet columbine Red columbine | |
| Arctostaphylos columbiana | Hairy manzanita | |
| Arnica cordifolia | Heart-leaf leopardbane Heartleaf arnica | |
| Artemisia douglasiana | Douglas mugwort Douglas' sagewort | |
| Arbutus menziesii | Pacific madrone Oregon laurel Laurelwood | |
| Arctostaphylos nevadensis | Pinemat manzanita | |
| Artemisia tridentata | Big sagebrush Great Basin sagebrush | |
| Arctostaphylos uva-ursi | Kinnikinnick Red bearberry Kinnikinnik | |
| Asarum caudatum | British Columbia wild ginger Long-tail wild ginger | |
| Aspidotis densa | Cliff brake Indian's dream Rock brake | |
| Asplenium trichomanes | Maidenhair spleenwort | |
| Athyrium filix-femina | Common ladyfern Lady fern Ladyfern Subarctic lady fern | |
| Betula occidentalis | Mountain birch Water birch | |
| Betula papyrifera | Paper birch Canoe birch White birch | |
| Blechnum spicant | Deer fern | |
| Bromus carinatus | California brome | |
| Calamagrostis canadensis | Bluejoint | |
| Calocedrus decurrens | Incense cedar Incense-cedar | |
| Carex macrocephala | Big-head sedge Largehead sedge | |
| Calochortus macrocarpus | Sagebrush mariposa lily Sagebrush mariposa-lily Bigpod mariposa | |
| Callitropsis nootkatensis | Alaska cedar Alaska-cedar Yellow cedar Nootka cedar | |
| Caltha palustris var. palustris | Cowslip Marsh-marigold Yellow marsh marigold | |
| Campanula rotundifolia | Bluebell bellflower Bluebell-of-Scotland Harebell | |
| Carex rostrata | Beaked sedge Swollen beaked sedge | |
| Carex stipata | Owlfruit sedge Stalk-grain sedge Awl-fruited sedge | |
| Ceanothus integerrimus | Deerbrush | |
| Cercocarpus ledifolius | Curl-leaf mountain mahogany Curl-leaf mountain-mahogany | |
| Ceanothus sanguineus | Oregon Teatree Redstem ceanothus Wild lilac | |
| Ceanothus velutinus | Snowbrush Snowbrush ceanothus Tobacco-brush Mountain balm Buckbush | |
| Chamerion angustifolium ssp. angustifolium | Fireweed Narrow-leaf fireweed Willow herb | |
| Chrysolepis chrysophylla var. chrysophylla | Giant chinkapin Giant chinquapin | |
| Cheilanthes gracillima | Lace lip fern Lace lipfern | |
| Chamaecyparis lawsoniana | Port Orford cedar Port Orford-cedar Lawson falsecypress | |
| Chrysolepis sempervirens | Bush chinquapin Sierra chinquapin Sierran chinkapin | |
| Clarkia amoena | Farewell to spring Farewell-to-spring Herald-of-summer | |
| Clematis columbiana | Rock clematis | |
| Clinopodium douglasii | Oregon-tea Yerba buena | |
| Clematis ligusticifolia | Western white clematis Virgin's bower Pepper vine Hierba de chivo | |
| Cleome serrulata | Rocky Mountain beeplant Rocky mountain bee plant Waa Skunk weed | |
| Clintonia uniflora | Bead lily Bride's bonnet Queen cup | |
| Cornus canadensis | Bunchberry dogwood Canadian bunchberry | |
| Corylus cornuta | Beaked hazelnut Beaked filbert | |
| Collinsia grandiflora | Blue lips Blue-lips blue-eyed Mary Giant blue eyed Mary | |
| Collomia grandiflora | Collomia Grand collomia Large-flower mountain-trumpet | |
| Cornus sericea | Redosier dogwood Redosier Red-twig dogwood Red-osier dogwood | |
| Cystopteris fragilis | Brittle bladder fern Brittle bladderfern Fragile fern | |
| Dasiphora fruticosa ssp. floribunda | Shrubby cinquefoil Golden-hardhack | |
| Danthonia spicata | Poverty oatgrass Poverty wild oat grass | |
| Deschampsia cespitosa | Tufted hairgrass Tufted hair grass | |
| Delphinium glareosum | Delphinium Olympic larkspur | |
| Delphinium glaucum | Sierra larkspur Tower larkspur | |
| Dichanthelium acuminatum var. fasciculatum | Rosette grass Western panicgrass | |
| Dicentra formosa | Pacific bleeding heart Pacific bleedinghearts Western bleedingheart | |
| Distichlis spicata | Saltgrass Coastal salt grass Inland salt-grass | |
| Dodecatheon hendersonii | Mosquito bills Mosquito-bills Broad-leaved shooting star | |
| Dryopteris carthusiana | Shield fern Spinulose wood fern Spinulose woodfern Toothed wood fern | |
| Dryas octopetala | Eightpetal mountain-avens Eight-petal mountain-avens Mountain dryas White mountain-avens | |
| Elymus canadensis | Canada wild rye Canadian wildrye Prairie wildrye Nodding wildrye | |
| Elymus glaucus | Blue wild rye Blue wildrye | |
| Erigeron compositus | Alpine daisy Cutleaf daisy Dwarf mountain fleabane | |
| Ericameria nauseosa ssp. nauseosa var. nauseosa | Rabbitbrush Rubber rabbitbrush | |
| Erythronium oregonum | Giant white fawn-lily Giant white fawnlily Oregon fawn-lily | |
| Erythronium revolutum | Bog fawn-lily Mahogany fawn-lily Mahogany fawnlily | |
| Eriogonum umbellatum | Sulphur-flower buckwheat Sulphur-flower wild buckwheat Sulphur buckwheat Sulphur flower | |
| Festuca idahoensis | Blue bunchgrass Bunchgrass fescue Idaho fescue | |
| Fritillaria affinis var. affinis | Checker lily Chocolate lily Mission bells Rice-grain missionbells | |
| Fragaria chiloensis | Beach strawberry Coast strawberry | |
| Fraxinus latifolia | Oregon ash | |
| Gaillardia aristata | Common gaillardia Great blanketflower Blanketflower Brown-eyed susan | |
| Garrya elliptica | Wavyleaf silktassel Wavy-leaf silktassel Silk-tassel bush Coastal silktassel | |
| Gaultheria shallon | Salal | |
| Gilia capitata | Blue gilia Blue-head gily-flower Bluehead gilia Globe gilia | |
| Glyceria grandis | American manna grass American mannagrass Reed meadowgrass Tall manna grass | |
| Gymnocarpium dryopteris | Northern oak fern Western oakfern | |
| Hesperostipa comata ssp. comata | Needle and thread | |
| Heuchera micrantha | Crevice alumroot Common alumroot | |
| Heterotheca villosa var. villosa | Golden-aster Hairy false goldenaster | |
| Hierochloe occidentalis | California sweetgrass California sweet grass California vanilla grass | |
| Holodiscus discolor | Cream bush Hillside oceanspray Mountain spray Oceanspray | |
| Ipomopsis aggregata ssp. aggregata | Scarlet gilia Skyrocket | |
| Iris douglasiana | Douglas iris Mountain iris Western iris | |
| Iris missouriensis | Rocky Mountain iris Western blue flag | |
| Iris tenax | Toughleaf iris Tough-leaf iris Oregon iris | |
| scientific name | common name(s) | image gallery |