athyriaceae(n = noun.plant) dryopteridaceae, family athyriaceae, family dryopteridaceae - alternative names for one of a number of families into which the family Polypodiaceae has been subdivided in some classification systems;
is a kind of fern family
is a member of class filicinae, class filicopsida, filicinae, filicopsida
alternative names for one of a number of families into which the family