- Dennstaedtiaceae, family Dennstaedtiaceae - one of a number of families into which Polypodiaceae has been subdivided in some classification systems
--1 is a kind of fern family
--1 is a member of Filicopsida, class Filicopsida, Filicinae, class Filicinae
--1 has members: Dennstaedtia, genus Dennstaedtia; Pteridium, genus Pteridium