– many-flower Indian-pipe
Distribution: On both sides of the Cascades in Washington; British Columbia south to California, east to the Atlantic Coast.
Habitat: In humus of coniferous forests at low to mid-elevations.
– one-flower Indian-pipe
Distribution: Occurring west of the Cascades crest, in the Columbia River Gorge, and in the northeastern counties in Washington; British Columbia to California, east to Idaho and Montana, and in all other areas of North America except the southern Rocky Mountain states.
Habitat: In forest understory and on forest edge, often in deep soil, at low to moderate elevations.