silvery spleenwort   (TTS Sound)

The noun silvery spleenwort has 2 senses

• silvery spleenwort, Deparia acrostichoides, Athyrium thelypteroides -- (fern with elongate silvery outgrowths enclosing the developing spores)


• silvery spleenwort, glade fern, narrow-leaved spleenwort, Athyrium pycnocarpon, Diplazium pycnocarpon -- (North American fern with narrow fronds on yellowish leafstalks)