Fireweed, Chamaenerion angustifolium, flowers in Dutch Harbor, Amaknak Island in Unalaska, Alaska.

Alpine wildflower meadows with fireweed (Chamaenerion angustifolium) along the Ptarmigan Cirque Trail in summer, Kananaskis Country, Alberta, Canadian Rockies, Canada, North America

Epilobium wildflowers on lakeshore, Maloja Pass, Bregaglia Valley, Engadine, Canton of Graubunden (Grisons), Switzerland, Europe

Mount Adamello in the summer season, Parco Adamello, Vallecamonica (Val Camonica), Brescia Province, Lombardy, Italy, Europe

Fireweed, Chamaenerion angustifolium, flowers in Dutch Harbor, Amaknak Island in Unalaska, Alaska.

Alpine wildflower meadows with fireweed (Chamaenerion angustifolium) along the Ptarmigan Cirque Trail in summer, Kananaskis Country, Alberta, Canadian Rockies, Canada, North America

Alpine wildflower meadows with fireweed (Chamaenerion angustifolium) along the Ptarmigan Cirque Trail in summer, Kananaskis Country, Alberta, Canadian Rockies, Canada, North America

Alpine wildflower meadows with fireweed (Chamaenerion angustifolium) along the Ptarmigan Cirque Trail in summer, Kananaskis Country, Alberta, Canadian Rockies, Canada, North America

Fireweed, Chamaenerion angustifolium, flowers in Dutch Harbor, Amaknak Island in Unalaska, Alaska.

Fireweed, Chamaenerion angustifolium, flowers in Dutch Harbor, Amaknak Island in Unalaska, Alaska.

Fireweed, Chamaenerion angustifolium, flowers in Dutch Harbor, Amaknak Island in Unalaska, Alaska.

Fireweed, Chamaenerion angustifolium, flowers in Dutch Harbor, Amaknak Island in Unalaska, Alaska.

Alpine wildflower meadows with fireweed (Chamaenerion angustifolium) along the Ptarmigan Cirque Trail in summer, Kananaskis Country, Alberta, Canadian Rockies, Canada, North America

Fireweed (Chamaenerion) in flower, close up

Fireweed (Chamaenerion angustifolium) blooming at sunrise in the Mountains at Hochalpenstraße, view from Fuscher Lacke, Pinzgau, Salzburg, Austria

A rainbow appears in the sky over a field of freshly rolled hay bales with fireweed in the foreground, Delta Junction, Alaska, United States of America

An Arctic Ground Squirrel (Urocitellus parryii) looks at camera while feeding in late summer. Fireweed (Chamaenerion angustifolium) is in bloom in the Hatcher Pass area near Palmer, South-Central Alaska; Alaska, United States of America

Aerial view of the sunset glow on Chugach Mountains, and reflection on Eklutna Lake. Common Fireweed (Chamaenerion angustifolium) blooming in the foreground. Chugach State Park, South-central Alaska in summertime; Alaska, United States of America

Aerial View Of A Road And Land Development Among Trees And Fireweed (Chamaenerion Angustifolium) On Kenai Peninsula, Alaska, United States Of America

A Woman Doing Yoga In A Meadow With Fireweed (Chamaenerion Angustifolium), Homer, Alaska, United States Of America

The Sanctuary of the Madonna of Fenestre (1904m), Fireweed (Epilobium angustifolium), Valley of the Madonna of Fenestre, Haute-Vesubie, Mercantour National Park, Alpes-Maritimes, France