Abstract: This paper deals with the classification of the fern genus Polystichum Roth Sect. Metapolystichum Tagawa of Sichuan Province. In the paper 9 species have been reported from Sichuan, of which 1 new species P. subulatum Ching is described, 5 species are first known to Sichuan, 7 names P. aculeatum (L.) Roth var. fargesii Christ, P. setiferum (Forssk.) Moore ex Woynar var. fargesii (Christ) C. Chr., P. yunnanense Christ var. fargesii (Christ) C. Chr., P. bicorlor Ching et S. K. Wu, P. makinoi (Tagawa) Tagawa var. chuanzangense Ching et S. K. Wu, P. lobatopinnulum Ching, Boufford et Shing, P. wuyishanense Ching et Shing are considered as new synonyms, a key to the species is also proposed, and some discussion is made concerning the species of China.

Key words: Polystichum