Euonymuseuropaeus – European spindle tree Distribution: Occurring in urban areas in a few cities in Washington; widely distributed east of the Mississippi in the U.S. and in eastern Canada. Habitat: Disturbed areas, often where moist. Origin: Introduced Flowers: June-July Growth Duration: perennial
Euonymusoccidentalis – burning bush, western wahoo Distribution: Uncommon, west of the Cascades in southwestern Washington; British Columbia south to California. Habitat: Moist woods. Origin: Native Flowers: May-June Growth Duration: perennial
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
Paxistimamyrsinites – Oregon boxleaf Distribution: Widely distributed on both sides of the Cascades in Washington; British Columbia south to California, east to the Rocky Mountains. Habitat: Mid-elevations in the mountains, but coastal in the Puget Sound region. Origin: Native Flowers: April-June Growth Duration: perennial