Radiogrammitis, Parris, 2007

Parris, Barbara, Chen, Cheng Wei, Hsu, Tian Chuan, Lu, Thi Ngan, Nguyen, Quoc Dat & Luu, Hong Truong, 2015, New species and records of grammitid ferns (Polypodiaceae) for Vietnam, Phytotaxa 226 (1), pp. 39-50 : 48

Radiogrammitis

Rhizome scales absent, lamina hairs whitish to pale red-brown .......................................................................................... R. beddomeana Rhizome scales present, lamina hairs dark red-brown ............................................................................................................... R. jagoriana