Search Result for "purple rock brake":
Wordnet 3.0

NOUN (1)

1. very short shallowly creeping North American fern usually growing on cliffs or walls and having dark glossy leaf axes;
[syn: purple rock brake, Pellaea atropurpurea]



WordNet (r) 3.0 (2006):

purple rock brake
    n 1: very short shallowly creeping North American fern usually
         growing on cliffs or walls and having dark glossy leaf axes
         [syn: purple rock brake, Pellaea atropurpurea]