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

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

Introduction to Vascular Plants

Photograph

Map

Distribution of Pellaea glabella subsp. occidentalis
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Species Information

General:
Evergreen perennial in small clusters from a short, stout rhizome.

Leaves:
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.

Notes:
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 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.

Source: The Illustrated Flora of British Columbia

Status Information

Scientific Name	Origin Status	Provincial Status	BC List (Red Blue List)	COSEWIC
Pellaea glabella ssp. occidentalis	Native	S2?	Red	Not Listed
Pellaea glabella ssp. simplex	Native	S4S5	Yellow	Not Listed

BC Ministry of Environment: BC Species and Ecosystems Explorer.

Synonyms

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