⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record kew-438253, with some changes.
This name is a synonym of Arrhenatherum longifolium (Thore) Dulac.
The record derives from WCSP which reports it as a synonym (record 438253) with original publication details: Bull. Soc. Bot. France 68: 401 1922.
Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:418816-1.