Parnassiafimbriata – fringed Grass-of-Parnassus, fringed grass of parnassus Distribution: Occurring on both sides of the Cascades in Washington; Alaska to California, east to Alberta, Montana and New Mexico. Habitat: Bogs, stream banks and wet meadows, mid- to high elevations in the mountains. Origin: Native Flowers: July-September Growth Duration: Perennial
Parnassiakotzebuei – Kotzebue's Grass-of-Parnassus Distribution: Known only from Okanogan and Chelan counties in Washington; Arctic Alaska south to Chelan County, WA, east across northern Canada to Labrador, east in the U.S. to the Rocky Mountains. Habitat: Moist subalpine meadows, cliff faces, and ledges, often in boggy soil. Origin: Native Flowers: July-September Growth Duration: Perennial
Parnassiapalustris – grass-of-parnassus, northern grass-of-parnassus Distribution: Primarily west of the Cascades in Washington on the Olympic Peninsula and southwestern counties; Arctic America south to Minnesota and British Columbia, in the Rocky Mountains to Colorado and in parts of the Sierra Nevada in California. Habitat: Arctic tundra to moist, shaded areas in the mountains, where usually along streams or around springs. Origin: Native Flowers: July-August Growth Duration: Perennial