''Pellaea breweri'' is a species of
fern known by the common name Brewer's cliffbrake. It is native to much of the
Western United States. It grows in rocky habitat such as cliffs and mountain slopes.
Description
''Pellaea breweri'' grows from a branching reddish-brown
rhizome
In botany and dendrology, a rhizome (; , ) is a modified subterranean plant stem that sends out roots and shoots from its nodes. Rhizomes are also called creeping rootstalks or just rootstalks. Rhizomes develop from axillary buds and grow hori ...
covered in hairlike scales. Each leaf is up to 20 or 25 centimeters long. It is composed of a shiny brown
rachis lined with widely spaced leaflets. The thick, pale green leaflets vary in shape from lance-shaped to diamond, triangular, or spade-shaped, and are sometimes divided deeply into lobes, or into two smaller leaflets. The edges of each segment are rolled under. The
sporangia are located under the edges.
External links
Jepson Manual Treatment - ''Pellaea breweri''USDA Plants Profile; Pellaea breweriFlora of North America''Pellaea breweri'' - Photo gallery
breweri
Ferns of California
Ferns of the United States
Flora of the Sierra Nevada (United States)
Flora of the West Coast of the United States
Flora of the Western United States
Flora of the Northwestern United States
Flora of the Southwestern United States
Endemic flora of the United States
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