⚠ Version 1 of The Plant List has been superseded.

This name is in version 1.1 of The Plant List, record tro-50173311, with some changes.

The Plant List
- Gymnocarpium robertianum var. longulum (H. Christ) H. Itô ex Nakai et al.

Gymnocarpium robertianum var. longulum (H. Christ) H. Itô ex Nakai et al. is a synonym of Gymnocarpium jessoense (Koidz.) Koidz.

This name is a synonym of Gymnocarpium jessoense (Koidz.) Koidz..

The record derives from Tropicos which reports it as a synonym (record 50173311) with original publication details: Rep. First Sci. Exped. Manchoukuo 4(4): 4 4 1936.