⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record kew-397652, 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 397652) with original publication details: Promen. Gascogne 92 1810.
Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:391551-1.