东北对囊蕨(原变种) dong bei dui nang jue (yuan bian zhong)

Athyrium pycnosorum Christ, Bull. Herb. Boissier, sér. 2, 2: 827. 1902; Lunathyrium changbeiense Ching & J. J. Chien; L. pycnosorum (Christ) Koidzumi; L. pycnosorum var. acutum J. J. Chien; L. shandongense J. X. Li & F. Z. Li.

Fronds smaller: pinnae 0.7-1.5 cm wide, pinna lobes usually 4-6 × 2-3 mm, entire or ± crenate, multicellular hairs fewer at sinuses between pinna lobes; veins simple.

Damp places in mixed forests; 200-1000 m. Hebei, Heilongjiang, Jilin, Liaoning, Shandong [N Japan, Korea, E Russia].