2 species
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Chamaenerion angustifoliumfireweed
Distribution: Widespread on both sides of the Cascades crest in Washington; Alaska to California, east to the Atlantic Coast; circumboreal.
Habitat: Open areas, sea level to subalpine, especially in burned and other naturally disturbed areas.
Origin: Native
Flowers: May-September
Chamaenerion latifoliumalpine fireweed, broad-leaf fireweed
Distribution: Occurring chiefly in the Olympic Mountains and on both sides of the crest in the Cascade Mountains in Washington; Alaska to California, east to the Rocky Mountains, northern Great Plains, Great Lakes region, and eastern Canada; circumboreal.
Habitat: Subalpine to alpine river bars, gravelly stream banks, snowmelt areas, and seasonally drier slopes.
Origin: Native
Flowers: June-September