⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record kew-402412, with some changes.
This name is a synonym of Calamagrostis arundinacea (L.) Roth.
The record derives from WCSP which reports it as a synonym (record 402412) with original publication details: Bot. Mag. (Tokyo) 40: 441 1926.