denseflower willowherb, dense spike-primrose, dense boisduvalia (Epilobium densiflorum)

Epilobium densiflorum is a species in the Epilobium genus. It is commonly known as denseflower willowherb, dense spike-primrose, dense boisduvalia This name is accepted name for the species in the family Onagraceae subfamily Onagroideae, tribe Epilobieae, . It is in the section: Boisduvalia . This species is found in Arizona, British Columbia, California, Idaho, Mexico Northwest, Montana, Nevada, Oregon, Utah, Washington.