大对囊蕨 da dui nang jue

Basionym: Lunathyrium wilsonii var. maximum Ching & Z. R. Wang, Acta Phytotax. Sin. 32: 92. 1994.

Plants large (up to 100 cm or more). Pinnae and pinna segments broader, pinna segments prominently toothed at margin. Hairs on rachis and costae abaxially thin and short.

● Mixed forests, wet areas; 2200-3100 m. S Gansu, Sichuan.

The epithet was first introduced as "Lunathyrium maximum" (Ching in Y. L. Zhang et al., Sporae Pterid. Sin. 233. 1976), but this was not validly published because no Latin description or diagnosis, or reference to such, was provided (Melbourne Code, Art. 39.1).