polypody
Concise Oxford English Dictionary © 2008 Oxford University Press:
polypody /ˈpɒlɪpəʊdi/
▶noun (pl. polypodies) a fern with creeping rhizomes which typically grows on trees, walls, and stones. [Polypodium vulgare and related species.]
– origin ME: via L. from Gk polupodion, from polu- ‘many’ + pous, pod- ‘foot’.
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