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Woodsia obtusa
Also called Bluntlobe cliff fern, Blunt Lobed Woodsia, Blunt Lobed Cliff Fern, Large Woodsia, Obtuse Woodsia
Physematium obtusum, the bluntlobe cliff fern, is a hardy rock fern of eastern North America that grows on cliffs, ledges and rocky slopes. It thrives in cool, moist, rocky conditions with alkaline or neutral soil.
Physematium obtusum, the bluntlobe cliff fern, is a common rock fern of Appalachia and eastern North America. It prefers a calcareous substrate, but also grows in neutral soils. It typically grows on cliffs, balds, ledges, ridges, talus and rocky slopes.
This fern is often confused with various ferns of the genus Cystopteris but is distinguished by its hairy nature.
Physematium plummerae · Physematium · Physematium indusiosum · Physematium neomexicanum · Physematium oreganum · Physematium scopulinum
Text excerpted from the Wikipedia article Physematium obtusum by its contributors, under CC BY-SA 4.0; the excerpts and the care summary drawn from them are shared under the same licence.
The care summary was written by AI (Claude, Anthropic) from the sources on this page, with general growing knowledge where they are silent. Check before relying on it.
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.
