noun
fern growing on rocks or tree trunks and having fronds greyish and scurfy below; Americas and South Africa
• Syn: ↑grey polypody, ↑resurrection fern, ↑Polypodium polypodioides
• Hypernyms: ↑polypody
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noun : a No. American fern (Polypodium polypodioides) growing on rocks or tree trunks and having the fronds grayish and scurfy below
Useful english dictionary. 2012.