'silvery spleenwort' definitions:
Definition of 'silvery spleenwort'
(from WordNet)
noun
Fern with elongate silvery outgrowths enclosing the developing spores [syn: silvery spleenwort, Deparia acrostichoides, Athyrium thelypteroides]
noun
North American fern with narrow fronds on yellowish leafstalks [syn: silvery spleenwort, glade fern, narrow- leaved spleenwort, Athyrium pycnocarpon, Diplazium pycnocarpon]