Distribution: Occurring on both sides of the Cascades crest in Washington; southern British Columbia to northern California, east to the Rocky Mountains, also in eastern North America.
Origin: Native
Growth Duration: Annual
Conservation Status: Not of concern
[none provided]
PNW Herbaria: Specimen records of Poteridium annuum in the Consortium of Pacific Northwest Herbaria database
WA Flora Checklist: Poteridium annuum checklist entry
OregonFlora: Poteridium annuum information
E-Flora BC: Poteridium annuum atlas page
CalPhotos: Poteridium annuum photos