E-Flora BC: Electronic Atlas of the Flora of British Columbia

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

Introduction to Vascular Plants

© Ryan Batten  Email the photographer   (Photo ID #25853)

E-Flora BC Static Map
Distribution of Pellaea glabella subsp. occidentalis
Click here to view our interactive map and legend
Details about map content are available here
Click on the map dots to view record details.

Species Information

Click on the image below to view an expanded illustration for this species.

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.

Source: The Illustrated Flora of British Columbia

Habitat / 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.

Source: The Illustrated Flora of British Columbia


The climate type for this species, as reported in the: "British Columbia plant species codes and selected attributes. Version 6 Database" (Meidinger et al. 2008), is not evaluated, unknown or variable.

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

Taxonomic and Nomenclatural Links

Additional Photo Sources

General References