a widely distributed fern which has stout scaly creeping rhizomes and remains green during the winter, growing on trees, walls, and stones, especially in limestone areas 多足蕨
Genus Polypodium, family Polypodiaceae: several species, in particular the common polypody (P. vulgare) 多足蕨属,多足蕨科:数种,尤指多足蕨 (拉丁名P. vulgare)
语源
late Middle English: via Latin from Greek polupodion, denoting a kind of fern, from polu- 'many' + pous, pod- 'foot'