Fireweed, a native species, has been added to the USWildflowers database (08/14/2010.)  Scientific name is Chamerion angustifolium. Photo below was taken at Split Rock Lighthouse on the North Short of Lake Superior in MN on  08/03/2002.

Fireweed, Narrow-leaf fireweed, Willow Herb – Chamerion angustifolium