Synonyms of rock brake
- 1. cliff brake, cliff-brake, rock brake, fern
- usage: any of several small lithophytic ferns of tropical and warm temperate regions
- 2. rock brake, fern
- usage: dwarf deciduous lithophytic ferns
- 3. rock polypody, rock brake, American wall fern, Polypodium virgianum, polypody
- usage: chiefly lithophytic or epiphytic fern of North America and east Asia
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