| Scientific Name (* Introduced) |
Family | Common Name | Habitat | Bloom Period |
| Abies amabilis | Pinaceae | Pacific silver fir, lovely fir, Cascade fir, amabilis fir | western forest, subalpine or alpine | no flowers |
| Abies lasiocarpa | Pinaceae | subalpine fir, alpine fir, balsam or white balsam fir | subalpine or alpine | no flowers |
| Aconitum columbianum ssp. columbianum | Ranunculaceae | Monkshood | jun, jul, aug | |
| Agrostis variabilis | Poaceae | mountain bentgrass, alpine bentgrass | ||
| Allium robinsonii | Amaryllidaceae | Robinson's onion | shrub-steppe | apr, may |
| Astragalus columbianus | Fabaceae | Columbian milk-vetch | shrub-steppe | apr, may |
| Astragalus conjunctus var. rickardii | Fabaceae | stiff milk-vetch | ||
| Astragalus spaldingii | Fabaceae | Spalding's milk-vetch | shrub-steppe | may |
| Bassia hyssopifolia * | Amaranthaceae | fivehorn smotherweed, bassia | saltwater shores, disturbed areas | jul, aug, sep |
| Boechera lyallii | Brassicaceae | Lyall's rockcress | subalpine or alpine | jun, jul, aug |
| Callitropsis nootkatensis | Cupressaceae | Alaska yellow cedar, Nootka Cedar or cypress, Sitka cedar or cypress | western forest, eastern forest, subalpine or alpine | may, jun, jul |
| Carex phaeocephala | Cyperaceae | dunhead sedge, mountain hare sedge | ||
| Carex scopulorum var. bracteosa | Cyperaceae | Sierra alpine sedge | ||
| Dalea ornata | Fabaceae | Blue Mountain prairie-clover | eastern forest, shrub-steppe | may, jun, jul |
| Diphasiastrum sitchense | Lycopodiaceae | |||
| Dodecatheon jeffreyi | Primulaceae | Sierrra shooting star, tall mountain shooting star, Jeffrey's shooting star | subalpine or alpine, freshwater | jun, jul, aug |
| Erythronium montanum | Liliaceae | white avalanche-lily | western forest, eastern forest, subalpine or alpine | jun, jul, aug |
| Hieracium triste | Asteraceae | slender hawkweed | subalpine or alpine | jun, jul, aug |
| Hulsea nana | Asteraceae | dwarf alpinegold, dwarf hulsea | subalpine or alpine | jul, aug, sep |
| Juncus drummondii | Juncaceae | Drummond's rush, threeflower rush | subalpine or alpine, freshwater | jul, aug, sep |
| Juncus parryi | Juncaceae | Parry's rush | subalpine or alpine, freshwater | jul, aug, sep |
| Lomatium farinosum | Apiaceae | northern biscuitroot | eastern forest, shrub-steppe | apr, may |
| Lomatium tuberosum | Apiaceae | Hoover's desert-parsley, potato desert-parsley | shrub-steppe | mar, apr |
| Luetkea pectinata | Rosaceae | partridgefoot, lutkea | subalpine or alpine | jun, jul, aug |
| Micranthes ferruginea | Saxifragaceae | russethair saxifrage, rusty saxifrage | western forest, eastern forest, subalpine or alpine | jun, jul, aug |
| Micranthes tolmiei | Saxifragaceae | Tolmie's or alpine saxifrage | western forest, eastern forest, subalpine or alpine | jun, jul, aug, sep |
| Nothocalais alpestris | Asteraceae | alpine lake prairie-dandelion, alpine lake agoseris | subalpine or alpine | jun, jul, aug |
| Penstemon cardwellii | Plantaginaceae | Cardwell's penstemon, Cardwell's beardtongue | western forest | may, jun, jul |
| Phyllodoce empetriformis | Ericaceae | pink mountain-heath | subalpine or alpine | jun, jul, aug |
| Phyllodoce glanduliflora | Ericaceae | yellow mountain-heath | subalpine or alpine | jul, aug, sep |
| Podagrostis thurberiana | Poaceae | Thurber's bent | ||
| Polemonium occidentale | Polemoniaceae | western polemonium, | eastern forest, freshwater | jun, jul, aug |
| Polygonum minimum | Polygonaceae | broadleaf knotweed, zigzag knotweed, leafy dwarf knotweed | subalpine or alpine | jul, aug, sep |
| Rhododendron albiflorum | Ericaceae | white rhododendron, Cascade azalea | western forest, eastern forest, freshwater | jun, jul, aug |
| Salix barclayi | Salicaceae | Barclay's willow | freshwater | jul, aug |
| Sambucus racemosa var. melanocarpa | Adoxaceae | black elderberry | ||
| Silene latifolia * | Caryophyllaceae | bladder campion, white campion | western forest, eastern forest, disturbed areas | jun, jul, aug |
| Sphaerophysa salsula * | Fabaceae | alkali swainsonpea, red bladder-vetch | shrub-steppe, disturbed areas | may, jun, jul |
| Trisetum spicatum | Poaceae | spike trisetum, narrow false oat | western forest, eastern forest, subalpine or alpine | jun, jul, aug, sep |
| Vahlodea atropurpurea | Poaceae | mountain hair-grass, arctic-hair-grass | subalpine or alpine, freshwater | jul, aug |
| Viola orbiculata | Violaceae | darkwoods violet, round-leaved violet, evergreen yellow violet | western forest, eastern forest, subalpine or alpine | may, jun, jul, aug |
Data from Consortium of PNW Herbaria and Burke Herbarium Image Collection. Generated on January 24, 2022
More information on the PlantQuest Image Project can be found at https://biology.burke.washington.edu/herbarium/imagecollection/plantquest.php.