R. C.  Ching, ?A revision of the Chinese and Sikkim-Himalayan Dryopteris with reference to some species from neighbouring regions?, Bulletin of the Fan Memorial Institute of Biology: Botany, vol. 6, 1936.

R. C.  Ching, ?The Studies of Chinese Ferns-XXXIV?, Bulletin of the Fan Memorial Institute of Biology: Botany, vol. 11, 1941.

R. C.  Ching, ?New Ferns from Jiulungshan, S. W. Zhejiang Province?, Bulletin of Botanical Research, Harbin, vol. 2, no. 2, 1982.