Flowers: March - May
Origin: Native
Conservation Status: Not of concern
[none provided]
PNW Herbaria: Specimen records of Alnus incana ssp. tenuifolia in the Consortium of Pacific Northwest Herbaria database.
WA Flora Checklist: Alnus incana ssp. tenuifolia checklist entry.
E-Flora BC: Alnus incana ssp. tenuifolia atlas page.
CalPhotos: Alnus incana ssp. tenuifolia photos.
USDA Plants: Alnus incana ssp. tenuifolia information.