- 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 - 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