1. (noun) any of several small lithophytic ferns of tropical and warm temperate regions

• cliff brake
• cliff-brake

2. (noun) chiefly lithophytic or epiphytic fern of North America and east Asia

• american wall fern
• polypodium virgianum
• rock polypody

1. (noun) any of several small lithophytic ferns of tropical and warm temperate regions

• bird's-foot fern
• pellaea mucronata
• pellaea ornithopus
• coffee fern
• pellaea andromedifolia
• pellaea atropurpurea
• purple rock brake

2. (noun) dwarf deciduous lithophytic ferns

• american parsley fern
• american rock brake
• cryptogramma acrostichoides
• cryptogramma crispa
• european parsley fern
• mountain parsley fern

1. (noun) any of several small lithophytic ferns of tropical and warm temperate regions

• genus pellaea
• pellaea

2. (noun) dwarf deciduous lithophytic ferns

• cryptogramma
• genus cryptogramma

1. (noun) any of several small lithophytic ferns of tropical and warm temperate regions

• fern

2. (noun) dwarf deciduous lithophytic ferns

• fern

3. (noun) chiefly lithophytic or epiphytic fern of North America and east Asia

• polypody