Physematium obtusum subsp. obtusum is a plant in the Woodsiaceae family, order Polypodiales, kingdom Plantae. Not known to be toxic.
Physematium obtusum subsp. obtusum
Bluntlobe cliff fern (Physematium obtusum) is a common hairy rock fern of eastern North America.
Physematium obtusum, commonly known as the bluntlobe cliff fern, is a common rock fern found in Appalachia and eastern North America. It grows best on calcareous substrate, but can also grow in neutral soils. It may grow on rock faces or in scree. This fern is often confused with various ferns belonging to the genus Cystopteris, but can be distinguished by its hairy texture.
Photo: (c) Tammo Reichgelt, some rights reserved (CC BY-NC), uploaded by Tammo Reichgelt · cc-by-nc
Physematium oreganum subsp. oreganum
Physematium obtusum (Spreng.) Hook.
Woodsia alpina (Bolton) Gray
Physematium scopulinum subsp. scopulinum
Physematium neomexicanum (Windham) Li Bing Zhang, N.T.Lu & X.F.Gao
Woodsia ilvensis (L.) R.Br.
Sources: GBIF, iNaturalist, Wikipedia, NCBI Taxonomy · Disclaimer
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