Distribution: Occurring on both sides of the Cascades crest in Washington; British Columbia to California, east to the Rocky Mountains and northern Great Plains.
Habitat: Moist to wet areas from montane to alpine habitats.
Flowers: June-August
Origin: Native
Growth Duration: Perennial
Conservation Status: Not of concern
Pollination: Bees, flies
[none provided]
PNW Herbaria: Specimen records of Epilobium hallianum in the Consortium of Pacific Northwest Herbaria database
WA Flora Checklist: Epilobium hallianum checklist entry
OregonFlora: Epilobium hallianum information
E-Flora BC: Epilobium hallianum atlas page
CalPhotos: Epilobium hallianum photos