Pellaea atropurpurea

Definitions of Pellaea atropurpurea
  1. noun
    very short shallowly creeping North American fern usually growing on cliffs or walls and having dark glossy leaf axes
    synonyms: purple rock brake
    see moresee less
    type of:
    cliff brake, cliff-brake, rock brake
    any of several small lithophytic ferns of tropical and warm temperate regions
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