⚠ Version 1 of The Plant List has been superseded.

This name is in version 1.1 of The Plant List, record kew-421871, and has not been changed.

Lachnagrostis filiformis var. semiglabra (Hack.) Zotov is a synonym of Agrostis lyallii Hook.f.

This name is a synonym of Agrostis lyallii Hook.f..

The record derives from WCSP which reports it as a synonym (record 421871) with original publication details: Rec. Domin. Mus. 5: 142 1965.