The Collaborative International Dictionary
Hare's-foot fern
Hare's-foot fern \Hare's"-foot` fern`\ (-f[oo^]t` f[~e]rn`). (Bot.) A species of fern ( Davallia Canariensis) with a soft, gray, hairy rootstock; -- whence the name.
WordNet
hare's-foot fern
n. either of two ferns of the genus Davallia having a soft gray hairy rootstock