Pellaea glabella subsp. occidentalis Mett. ex Kuhn
western dwarf cliffbrake
Pteridaceae (Maidenhair Fern family)

Introduction to Vascular Plants


© Ryan Batten     (Photo ID #25853)


E-Flora BC Static Map

Distribution of Pellaea glabella subsp. occidentalis
Click here to view the full interactive map and legend

Species Information

Evergreen perennial in small clusters from a short, stout rhizome.
Sterile leaves the same as fertile leaves, oblong or triangular in their outline, 5-35 cm long, 2-7 cm wide, 2-pinnate towards the base, 1-pinnate in the upper part; segments leathery, smooth, with recurved margins.
According to the recent treatment of Pellaea by Windham (1993a,b), British Columbia plants of "P. atropurpurea" are treated either as P. gastonyi or P. glabella ssp. simplex.

SourceThe Illustrated Flora of British Columbia

Habitat and Range

Dry to mesic crevices of calcareous rocks in the steppe, montane, and subalpine zones; infrequent in C and SC BC; E to AB and S to NM, AZ, NV and WA.

SourceThe Illustrated Flora of British Columbia


Synonyms and Alternate Names:
Pellaea glabella var. nana (Rich.) Cody
Pellaea glabella var. occidentalis (E.E. Nelson) Butters
Pellaea occidentalis (E.E. Nelson) Rydb.
Pellaea occidentalis subsp. occidentalis
Pellaea pumila