⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record kew-398039, with some changes.
This name is a synonym of Arrhenatherum longifolium (Thore) Dulac.
The record derives from WCSP which reports it as a synonym and as an illegitimate name (record 398039) with original publication details: Bot. Gall. ed. 2, 1: 514 1828.
Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:391820-1.