沼泽蕨(原变种) zhao ze jue (yuan bian zhong)

Acrostichum thelypteris Linnaeus, Sp. Pl. 2: 1071. 1753; Aspidium palustre A. Gray, nom. illeg. superfl.; A. thelypteris (Linnaeus) Swartz; Athyrium thelypteris (Linnaeus) Sprengel; Dryopteris thelypteris (Linnaeus) A. Gray; Lastrea thelypteris (Linnaeus) Bory; Nephrodium thelypteris (Linnaeus) Strempel; Polypodium palustre Salisbury (1796), not N. L. Burman (1768); P. pterioides Lamarck; P. thelypteris (Linnaeus) F. G. Weiss.

Rachises, costae, and veins all glabrous.

Meadows, reed marshes, wet shaded places in forests; 200-800 m. Hebei, Heilongjiang, Henan, Jilin, Nei Mongol, Shandong, Sichuan, Xinjiang [widely distributed in temperate regions of N Hemisphere].