cliff-brake


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Noun1.cliff-brake - any of several small lithophytic ferns of tropical and warm temperate regionscliff-brake - any of several small lithophytic ferns of tropical and warm temperate regions
fern - any of numerous flowerless and seedless vascular plants having true roots from a rhizome and fronds that uncurl upward; reproduce by spores
genus Pellaea, Pellaea - genus of chiefly small rock-loving ferns; in some classification systems it is placed in the family Polypodiaceae or Adiantaceae
coffee fern, Pellaea andromedifolia - evergreen fern of California and Baja California
Pellaea atropurpurea, purple rock brake - very short shallowly creeping North American fern usually growing on cliffs or walls and having dark glossy leaf axes
bird's-foot fern, Pellaea mucronata, Pellaea ornithopus - cliff brake of California and Baja California having purple-brown leafstalks
References in periodicals archive ?
PELLAEA {pell-LEE-uh} Link 1841 * Cliff-brake Ferns * [Greek pellos, dark, possibly referring to bluish gray leaves.
Note: Pellaea glabella Mettenius ex Kuhn, Smooth Cliff-brake, occurs in adjacent Marion County, Tennessee (Cumberland Plateau) in crevices of limestone cliffs and ledges.