PlantQuest Species List for Asotin County, Washington

Scientific Name
(* = Introduced)		 Family Common Name Habitat Bloom Period
Agoseris grandiflora var. grandiflora Asteraceae large flowered agoseris; large flower goat-chicory
Allium douglasii Amaryllidaceae Douglas' onion eastern forest; shrub-steppe May, Jun, Jul
Anaphalis margaritacea Asteraceae pearly everlasting western forest; eastern forest; subalpine or alpine; prairie or bald; disturbed areas Jul, Aug, Sep
Angelica arguta Apiaceae Lyall's angelica; sharp-tooth angelica western forest; eastern forest; freshwater Jun, Jul, Aug
Aquilegia formosa var. formosa Ranunculaceae red columbine; Sitka columbine; western columbine
Arctostaphylos uva-ursi Ericaceae red bearberry; kinnikinnick western forest; eastern forest; subalpine or alpine; prairie or bald Apr, May, Jun
Artemisia ludoviciana ssp. ludoviciana Asteraceae western mugwort; Louisiana sagewort; silver wormwood Jun, Jul, Aug, Sep, Oct
Astragalus arrectus Fabaceae hanging pod milk-vetch; Palouse milk-vetch eastern forest; shrub-steppe May, Jun
Astragalus spaldingii Fabaceae Spalding's milk-vetch shrub-steppe May
Astragalus whitneyi var. sonneanus Fabaceae balloon milk-vetch May, Jun, Jul, Aug
Athysanus pusillus Brassicaceae sandweed eastern forest; prairie or bald; shrub-steppe Mar, Apr, May, Jun
Carex geyeri Cyperaceae elk sedge; Geyer's sedge eastern forest; subalpine or alpine; shrub-steppe Apr, May, Jun, Jul
Cirsium vulgare * Asteraceae bull thistle; common thistle western forest; eastern forest; prairie or bald; disturbed areas Jun, Jul, Aug, Sep
Claytonia cordifolia Montiaceae broadleaf springbeauty; heart-leaf springbeauty western forest; eastern forest; freshwater May, Jun, Jul, Aug, Sep
Clematis hirsutissima Ranunculaceae Douglas's clematis; leatherflower; sugarbowls; vaseflower eastern forest; shrub-steppe May, Jun
Comandra umbellata ssp. pallida Santalaceae bastard toad flax
Elymus trachycaulus ssp. trachycaulus Poaceae bearded wheatgrass Jun, Jul, Aug
Equisetum hyemale ssp. affine Equisetaceae common scouring rush; Dutch scouring rush; prairie scouring rush
Erigeron glacialis var. glacialis Asteraceae subalpine fleabane
Heracleum maximum Apiaceae American cow-parsnip; American hogweed western forest; eastern forest; freshwater Jun, Jul, Aug
Hieracium albiflorum Asteraceae white-flowered hawkweed; white hawkweed western forest; eastern forest Jun, Jul, Aug, Sep
Hydrophyllum fendleri var. albifrons Hydrophyllaceae Fendler's waterleaf western forest; eastern forest May, Jun, Jul, Aug
Lamium purpureum * Lamiaceae red dead-nettle; henbit prairie or bald; disturbed areas Apr, May, Jun, Jul
Lathyrus lanszwertii var. bijugatus Fabaceae drypark pea
Ligusticum canbyi Apiaceae Canby's wild lovage eastern forest; subalpine or alpine May, Jun, Jul, Aug
Lomatium salmoniflorum Apiaceae Salmon River biscuit-root; Salmon River desert-parsley shrub-steppe Mar, Apr, May, Nov-Feb
Lupinus leucophyllus var. leucophyllus Fabaceae velvet lupine
Madia exigua Asteraceae threadstem madia; little tarplant; little tarweed eastern forest; shrub-steppe; disturbed areas May, Jun, Jul
Micranthes integrifolia Saxifragaceae Columbian saxifrage; swamp saxifrage; whole-leaf saxifrage western forest; eastern forest; subalpine or alpine; prairie or bald; shrub-steppe; freshwater Mar, Apr, May, Jun, Jul
Pedicularis bracteosa var. pachyrhiza Orobanchaceae bracted lousewort Jun, Jul, Aug
Populus tremuloides Salicaceae quaking aspen western forest; eastern forest; shrub-steppe; freshwater Mar, Apr, May
Ranunculus populago Ranunculaceae mountain buttercup western forest; eastern forest Apr, May, Jun, Jul, Aug
Ribes oxyacanthoides var. cognatum Grossulariaceae northern gooseberry; umatilla gooseberry Mar, Apr, May
Rudbeckia occidentalis Asteraceae western chocolate black-eyed Susan; western black-eyed Susan eastern forest; freshwater Jun, Jul, Aug
Sanicula graveolens Apiaceae Sierran black-snakeroot western forest; eastern forest May, Jun, Jul
Sedum lanceolatum Crassulaceae lance-leaved stonecrop eastern forest; subalpine or alpine; prairie or bald; shrub-steppe May, Jun, Jul, Aug
Senecio serra var. serra Asteraceae tall butterweed; butterweed groundsel
Symphyotrichum jessicae Asteraceae Jessica's aster; Palouse aster eastern forest; shrub-steppe; freshwater Aug, Sep
Veronica missurica ssp. major Plantaginaceae tailed kittentails eastern forest Mar, Apr, May
Viola purpurea ssp. venosa Violaceae goose-foot violet; purplish violet

Generated on 2025-03-15.   Data from Consortium of PNW Herbaria and Burke Herbarium Image Collection.

More information on the PlantQuest Image Project can be found at https://burkeherbarium.org/imagecollection/plantquest.php.