⚠ Version 1 of The Plant List has been superseded.

This name is in version 1.1 of The Plant List, record kew-434455, with some changes.

Piptatherum laterale subsp. alpestre (Grig.) Freitag is a synonym of Oryzopsis alpestris Grig.

This name is a synonym of Oryzopsis alpestris Grig..

The record derives from WCSP which reports it as a synonym (record 434455) with original publication details: Notes Roy. Bot. Gard. Edinburgh 33: 394 1975.