⚠ Version 1 of The Plant List has been superseded.

This name is in version 1.1 of The Plant List, record kew-387129, with some changes.

Achnatherum nelsonii subsp. longiaristatum (Barkworth & J.R.Maze) Barkworth is a synonym of Stipa occidentalis Thurb. ex S.Watson

This name is a synonym of Stipa occidentalis Thurb. ex S.Watson.

The record derives from WCSP which reports it as a synonym (record 387129) with original publication details: Phytologia 74: 9 1993.

Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:1176492-2.