Photo, picture:
Schmalblaettriges Weidenroeschen, die Bestaeubung erfolgt durch Insekten, vor allem durch Hautfluegler - (Foto Schmalblaettriges Weidenroeschen in Bluete)
Fireweed, the flowers are visited by a wide variety of insects - (Great Willow-herb - Photo Fireweed flowering)
Epilobium angustifolium - (Chamerion angustifolium)

Gallery overview