Onychium cryptogrammoides Onychium cryptogrammoides Christ, Notul. Syst. (Paris). 1: 52. 1909. (Syn: Onychium japonicum (Thunberg) Kunze var. intermedia C. B. Clarke; O....
Onychium tenuifrons Onychium tenuifrons Ching, Lingnan Sci. J. 13(3): 500–501 1934. (syn: Onychium japonicum var. delavayi Christ); . E. Himalaya to China...
