⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record kew-408303, 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 408303) with original publication details: J. Jap. Bot. 33: 211 1958.