Cyclosorus nanxiensis Ching, sp. nov.
Species affinis C. acuminato (Houtt. ) Nakai, a quo differt pinnis lateralibus inferis3. 5-4, 5cm inter se remotis, basi pauco-angustatis, cuneatis vel late cuneatis, utrique in-ternerviis et indusiis glabris.
Yunnan austr. -orient.: He-kou, Nan-xi, (河口, 南溪) , Wu Su-gong (武素功) No. 4078 (typus, PE) , 10, IX, 1962; Xi-chou, Fa-dou (西畴, 法斗) , K. M.Feng (冯国楣) No. 12113, 29, IX, 11947; Chu Wei-ming (朱维明) 176, in bamboo or mixed forest, alt. 650-1500m.

形体近渐尖毛蕨C. acuminatus (Houtt.) Nakai，但侧生羽片下部彼此远离，基部略变狭，楔形或阔楔形，两面及脉间无毛。

本新种产云南。