Distribution: Occurring east of the Cascades crest in northeastern Washington; southern British Columbia to northeastern Washington, east to northeastern North America.
Flowers: May-July
Origin: Native
Growth Duration: Perennial
Conservation Status: Not of concern
Pollination: Flies, moths, beetles
[none provided]
PNW Herbaria: Specimen records of Viburnum opulus var. americanum in the Consortium of Pacific Northwest Herbaria database
WA Flora Checklist: Viburnum opulus var. americanum checklist entry
OregonFlora: Viburnum opulus var. americanum information
E-Flora BC: Viburnum opulus var. americanum atlas page
CalPhotos: Viburnum opulus var. americanum photos