| Scientific Name (* Introduced) |
Family | Common Name | Habitat | Bloom Period |
| Acmispon nevadensis var. nevadensis | Fabaceae | Nevada deervetch | may, jun, jul, aug, sep | |
| Allium columbianum | Amaryllidaceae | Columbian onion | may | |
| Antennaria dimorpha | Asteraceae | low pussytoes, cushion pussytoes | shrub-steppe | apr, may |
| Arceuthobium campylopodum | Santalaceae | western dwarf mistletoe, western dwarf-mistletoe | western forest, eastern forest, subalpine or alpine | jun, jul, aug, sep |
| Asclepias speciosa | Apocynaceae | showy milkweed | shrub-steppe, freshwater | jun, jul, aug |
| Astragalus purshii var. purshii | Fabaceae | Pursh's milk-vetch | apr, may, jun | |
| Berberis vulgaris * | Berberidaceae | common barberry, European barberry | disturbed areas | may, jun |
| Boechera sparsiflora | Brassicaceae | eastern forest, shrub-steppe | may, jun, jul | |
| Cryptantha torreyana | Boraginaceae | Torrey's cryptantha, Torrey's cat's eye | eastern forest, shrub-steppe | may, jun, jul |
| Eremogone congesta var. cephaloidea | Caryophyllaceae | sharptip sandwort | ||
| Erigeron corymbosus | Asteraceae | longleaf fleabane, foothill daisy | eastern forest, shrub-steppe | jun, jul, aug |
| Erigeron filifolius | Asteraceae | threadleaf fleabane | eastern forest, shrub-steppe | may, jun, jul, aug |
| Erigeron pumilus var. intermedius | Asteraceae | shaggy fleabane | ||
| Eriogonum niveum | Polygonaceae | snow buckwheat | eastern forest, shrub-steppe | jun, jul, aug, sep |
| Erysimum cheiranthoides * | Brassicaceae | wormseed wallflower, treacle mustard | disturbed areas | jun, jul, aug |
| Frasera albicaulis | Gentianaceae | white-stemmed frasera | eastern forest, shrub-steppe | may, jun, jul |
| Gentiana affinis | Gentianaceae | pleated gentian, prairie gentian, Rocky Mountain Gentian | eastern forest | jul, aug, sep |
| Grindelia hirsutula | Asteraceae | gumweed | eastern forest, prairie or bald, shrub-steppe, saltwater shores, disturbed areas | may, jun, jul, aug, sep, oct |
| Hackelia ciliata | Boraginaceae | Okanogan stickseed | eastern forest, shrub-steppe | may, jun |
| Idahoa scapigera | Brassicaceae | oldstem idahoa, scalepod, flatpod | shrub-steppe | mar, apr, may |
| Iris missouriensis | Iridaceae | Rocky Mountain iris, western blue flag | freshwater | may, jun, jul |
| Lathyrus lanszwertii var. bijugatus | Fabaceae | |||
| Leptosiphon liniflorus | Polemoniaceae | thread-stemmed linanthus | eastern forest, shrub-steppe | may, jun |
| Lewisia rediviva | Montiaceae | bitterroot | eastern forest, shrub-steppe | apr, may, jun |
| Lomatium gormanii | Apiaceae | Gorman's biscuitroot, Gorman's desert-parsley, salt and pepper | eastern forest, shrub-steppe | mar, apr, may |
| Lupinus leucophyllus | Fabaceae | velvet lupine | eastern forest, shrub-steppe | jun, jul, aug |
| Nymphoides peltata * | Menyanthaceae | yellow floatingheart | freshwater | jun, jul, aug |
| Olsynium douglasii var. inflatum | Iridaceae | grass-widow, purple-eyed grass, | eastern forest, shrub-steppe | mar, apr, may, jun |
| Phlox longifolia | Polemoniaceae | long-leaf phlox | eastern forest, shrub-steppe | apr, may, jun |
| Physaria geyeri | Brassicaceae | Geyer's twinpod, Geyer's bladderpod, double bladderpod | eastern forest, shrub-steppe | may, jun, jul |
| Physaria geyeri ssp. geyeri | Brassicaceae | Geyer's twinpod | ||
| Plantago patagonica | Plantaginaceae | woolly plantain | eastern forest, shrub-steppe | apr, may, jun |
| Polemonium micranthum | Polemoniaceae | annual polemonium, annual Jacob's-ladder | eastern forest, shrub-steppe, disturbed areas | mar, apr, may |
| Ranunculus glaberrimus var. glaberrimus | Ranunculaceae | Sagebrush buttercup | mar, apr, may, jun | |
| Ribes cereum | Grossulariaceae | wax currant | eastern forest, shrub-steppe, subalpine or alpine | apr, may, jun |
| Salix prolixa | Salicaceae | MacKenzie's willow | freshwater | apr, may, jun |
| Secale cereale * | Poaceae | cereal rye, cultivated rye | disturbed areas | may, jun, jul |
| Solidago missouriensis | Asteraceae | Missouri goldenrod | western forest, eastern forest, prairie or bald, shrub-steppe, disturbed areas | jun, jul, aug, sep, oct |
| Triteleia grandiflora var. grandiflora | Asparagaceae | blue umber lily, blue-lily, large-flowered tritelia, Douglas' brodiaea | ||
| Verbascum blattaria * | Scrophulariaceae | moth mullein | eastern forest, shrub-steppe, disturbed areas | may, jun, jul, aug, sep |
| Verbena bracteata | Verbenaceae | big-bract verbena, carpet vervain | eastern forest, shrub-steppe, disturbed areas | may, jun, jul, aug, sep |
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.