– giant helleborine
Distribution: Occurring on both sides of the Cascades crest in Washington; British Columbia to Baja California, east to the Rocky Mountains and in scattered locations in the Great Plains.
Habitat: Stream banks, lake margins, around springs and seeps, especially in thermal waters in otherwise desert regions.
Origin: Native
Flowers: April-July
Growth Duration: Perennial
– broad-leaved helleborine, garden helleborine
Distribution: Occurring west of the Cascades crest in lowland areas in Washington; British Columbia to California, in scattered locations across North America to the Atlantic Coast, where more common.
Habitat: Moist to dry forest edge and understory, often where disturbed.
Origin: Introduced from Eurasia
Flowers: June-October
Growth Duration: Perennial