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Noun: grey polypody
Usage: Brit, Cdn (US: gray polypody)
  1. Fern growing on rocks or tree trunks and having fronds greyish and scurfy below; Americas and South Africa
    "The grey polypody on the oak tree turned green after the rain";
    - gray polypody [US], resurrection fern, Polypodium polypodioides

Derived forms: grey polypodies

Type of: polypody