⚠ Version 1 of The Plant List has been superseded.

This name is in version 1.1 of The Plant List, record kew-402985, with some changes.

Calamagrostis longiseta subsp. longiaristata (Takeda) T.Koyama is a synonym of Calamagrostis longiseta Hack.

This name is a synonym of Calamagrostis longiseta Hack..

The record derives from WCSP which reports it as a synonym (record 402985) with original publication details: Grass. Japan 496 1987.