Woodsiaceae
blunt woodsia
Physematium obtusum (Spreng.) Hook.
Physematium obtusum, the bluntlobe cliff fern, is a common hairy rock fern of eastern North America.
Oregon woodsia
Physematium oreganum (D.C.Eaton) Trevis.
Physematium oreganum is a fern of western North America that grows in rocky habitats, identifiable by its lack of long rachis hairs.
Rocky Mountain woodsia
Physematium scopulinum Trevis.
Physematium scopulinum is a North American fern that grows in sunny rocky mountain habitats, distinguished by its hairy grooved rachis.
smooth woodsia
Woodsia glabella R.Br.
Woodsia glabella, the smooth cliff fern, is the smallest species in its genus, distributed across Europe, Asia, and North America.
rusty woodsia
Woodsia ilvensis (L.) R.Br.
Woodsia ilvensis is a circumpolar fern with distinct leaf characteristics and protected status in the UK and several US states.
Oregon woodsia
Physematium oreganum subsp. oreganum
Physematium oreganum subsp. oreganum is a fern of rocky habitats found across western North America with scattered eastern populations.
Rocky Mountain woodsia
Physematium scopulinum subsp. scopulinum
Physematium scopulinum is a North American fern that grows in sunny rocky mountain habitats.
blunt woodsia
Physematium obtusum subsp. obtusum
Bluntlobe cliff fern (Physematium obtusum) is a common hairy rock fern of eastern North America.
alpine woodsia
Woodsia alpina (Bolton) Gray
Woodsia alpina, or alpine woodsia, is a circumpolar northern fern that grows on rocky cliffs, with protected status in the UK.
Physematium neomexicanum (Windham) Li Bing Zhang, N.T.Lu & X.F.Gao
Physematium neomexicanum (Windham) Li Bing Zhang, N.T.Lu & X.F.Gao
Physematium neomexicanum is a fern with distinct morphology native to rocky habitats across southwestern North America.
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