Chingia sakayensis (Zeiller) Holttum, comb. nov.
- ≡Nephrodium sakayense Zeiller in Bull. Soc. Bot. France 32: 75. 1885
- ≡Thelypteris sakayensis (Zeiller) Reed in Phytologia 17: 311. 1968
- ≡Sphaerostephanos sakayensis (Zeiller) Holttum in Nayar & Kaur, Comp. to Bedd.: 209. 1974
Unknown type categorys: near Gunong Riam, Perak, 750 m, 6 Aug 1884, de Morgan s.n. (,)
- =Cyclosorus ferox sensu Holttum in Rev. Fl. Malaya 2: f. 151. 1955
- =Chingia pseudoferox Holttum in Kalikasan 3: 24. 1974
Unknown type category: G. Hijau, Perak, 6 Feb 1908, Matthew s.n. ()