Distribution: Occurring west of the Cascades crest in southwestern Washington; southwestern British Columbia to northwestern Oregon.
Habitat: Cultivated cranberry bogs.
Flowers: June-August
Origin: Introduced from eastern North America
Growth Duration: Perennial
Conservation Status: Not of concern
[none provided]
PNW Herbaria: Specimen records of Penthorum sedoides in the Consortium of Pacific Northwest Herbaria database.
WA Flora Checklist: Penthorum sedoides checklist entry.
OregonFlora: Penthorum sedoides information.
E-Flora BC: Penthorum sedoides atlas page.
CalPhotos: Penthorum sedoides photos.
USDA Plants: Penthorum sedoides information.