Distribution: Occurring west of the Cascades crest in Washington; British Columbia south to California.
Habitat: Prairies, rocky balds, moist woods; at low elevations.
Conservation Status: Not of concern
Perennial herb from a deep corm; flowering stems to 30 cm tall.
All basal, usually paired; lanceolate; strongly mottled with brown.
Showy white blooms with 6 tepals to 5 cm long; 1-3 at stem tips.
Erect capsules 3-5 cm long.
The mottled leaves and low-elevation habitat separate this species from E. montanum, which also has white flowers; our other Erythronium species have pink or yellow flowers.