Noun silvery spleenwort has 2 senses
  1. silvery spleenwort, Deparia acrostichoides, Athyrium thelypteroides - fern with elongate silvery outgrowths enclosing the developing spores
    --1 is a kind of fern
    --1 is a member of Deparia, genus Deparia
  2. silvery spleenwort, glade fern, narrow-leaved spleenwort, Athyrium pycnocarpon, Diplazium pycnocarpon - North American fern with narrow fronds on yellowish leafstalks
    --2 is a kind of fern
    --2 is a member of Athyrium, genus Athyrium
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