3 species
5 subspecies and varieties
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Camassia cusickiiCusick's camas
Distribution: Disjunct in Klickitat County in Washington; northeastern Oregon and adjacent western Idaho.
Habitat: Moist slopes and seeps, often montane.
Origin: Native
Flowers: May-July
Growth Duration: Perennial
Camassia leichtliniigreat camas
Distribution: Occurring chiefly west of the Cascades crest in Washington; British Columbia to California.
Habitat: Meadows, prairies, balds, and hillsides where moist, at least in spring.
Origin: Native
Flowers: April-May
Growth Duration: Perennial
ssp. suksdorfii – Suksdorf's great camas
Camassia quamashcommon camas
Distribution: Widely distributed on both sides of the Cascades crest in Washington; British Columbia to California, east to Montana and Utah.
Habitat: Open, moist areas, often where dry by late spring, from lowlands to mid-elevations in the mountains.
Origin: Native
Flowers: April-June
Growth Duration: Perennial
ssp. azurea – blue camas, prairie camas
ssp. breviflora – eastern camas, small-flowered camas
ssp. maxima – dark camas
ssp. quamash – common camas