Caption: A-B , Histiopteris incisa . A , primary pinna; B , secondary pinna (A-B , R.J.Chinnock 5677 & P.J.Brownsey, WELT). C-H , Pteridium . C-E , P. esculentum . C , primary pinna; D , tertiary pinna; E , hair types on veins of tertiary pinna (C-E , P.J.Brownsey, 27 July 1981, WELT). F-H , P. revolutum . F , primary pinna (R.J.Chinnock 5674b & P.J.Brownsey, BRI); G , secondary pinna; H , hair types on veins of secondary pinna (G-H , S.B.Andrews 220 & A.Dockrill, BRI). I-K , Oenotrichia . I-J , O. tripinnata . I , primary pinna (L.J.Brass 2085, BRI); J , fertile segment (D.L.Jones, 28 Oct. 1974, BRI). K , O. dissecta , fertile segment (M.J.Manski Coll., BRI 174902).Illustrators: T.Galloway.
Flora of Australia Volume 48 (1998) figure 98.