- Matteuccia, genus Matteuccia, Pteretis, genus Pteretis - small genus sometimes included in genus Onoclea; in some classifications both genera are placed in Polypodiaceae
--1 is a kind of fern genus
--1 is a member of
--1 has members:Dryopteridaceae, family Dryopteridaceae, Athyriaceae, family Athyriaceae ostrich fern, shuttlecock fern, fiddlehead, Matteuccia struthiopteris, Pteretis struthiopteris, Onoclea struthiopteris