silvery spleenwort
noun()
fern with elongate silvery outgrowths enclosing the developing spores
Synonyms: athyrium thelypteroides, deparia acrostichoides,
silvery spleenwort
noun()
North American fern with narrow fronds on yellowish leafstalks
Synonyms: athyrium pycnocarpon, diplazium pycnocarpon, glade fern, narrow-leaved spleenwort,