PTERIS catoptera (Hieron.) Verdc. var. friesii [family ], comb. et stat. nov. Type: Zambia, near Abercorn, Fries 1220 (UPS, holo., B!, fragment, K, photo!.)
PTERIS friesii Hieron. [family ], in Wiss. Ergebn. Schwed. Rhod.-Kongo Exped. 1: 5 (1914)
PTERIS stolzii Hieron. [family ], in E.J. 53: 410 (1915). Type: Tanzania, Rungwe District, Kyimbila, Stolz 937 (B!, syn., K!, iso.)
PTERIS angolensis Hieron. [family ], in E.J. 53: 395 (1915). Type: Angola, Pungo Andongo, Soyaux 226 (B!, syn., K!, iso.)
PTERIS mohasiensis Hieron. [family ], in E.J. 53: 391 (1915); Faden in U.K.W.F.: 35 (1974). Type: Rwanda, W of Lake Kivu, L. Mohasi, Mildbraed 438 (B!, syn., BM, photo.!)
PTERIS hildebrandtii Hieron. [family ], in E.J. 53: 407 (1915). Type: Madagascar, near Tananarive, Hildebrandt 3479 (B!, holo., BM!, K!, iso.)
PTERIS quadriaurita (Hieron.) Schelpe subsp. friesii [family ], in Contr. Bolus Herb. 1: 66 (1969); Schippers in Fern Gaz. 14: 186 (1993)