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rock brake | dwarf deciduous lithophytic ferns | |
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rock polypody, rock brake, American wall fern, Polypodium virgianum | chiefly lithophytic or epiphytic fern of North America and east Asia ❲Polypodium virgianum❳ | |
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rock brake, cliff brake, cliff-brake | any of several small lithophytic ferns of tropical and warm temperate regions |