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Woodsia oregana
Also called Oregon cliff fern, Oregon woodsia, Western Cliff Fern
Physematium oreganum, the Oregon cliff fern, is a deciduous perennial fern in the family Woodsiaceae.
This plant is native to a large part of the western and northern United States and much of Canada.
Physematium oreganum is usually found in open rocky areas and on rock outcrops. It grows widely in the western United States and southwestern Canada, and is present in more scattered locations further east.
Physematium plummerae · Physematium · Physematium indusiosum · Physematium neomexicanum · Physematium obtusum · Physematium scopulinum
Text excerpted from the Wikipedia article Physematium oreganum by its contributors, under CC BY-SA 4.0; the excerpts are shared under the same licence.
Life form, climate and native range: World Checklist of Vascular Plants, Royal Botanic Gardens, Kew (CC BY 3.0), reformatted; see Plants of the World Online.
