- Pellaea, genus Pellaea - genus of chiefly small rock-loving ferns; in some classification systems it is placed in the family Polypodiaceae or Adiantaceae
--1 is a kind of fern genus
--1 is a member of Pteridaceae, family Pteridaceae
--1 has members:cliff brake, cliff-brake, rock brake; coffee fern, Pellaea andromedifolia; button fern, Pellaea rotundifolia