Pellaea atropurpurea

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Noun1.Pellaea atropurpurea - very short shallowly creeping North American fern usually growing on cliffs or walls and having dark glossy leaf axes
cliff brake, cliff-brake, rock brake - any of several small lithophytic ferns of tropical and warm temperate regions
References in periodicals archive ?
B, L I [Johnson Grass] Pteridaceae Pellaea atropurpurea (L.