⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record tro-25559566, with some changes.
This name is a synonym of Aira flexuosa var. umbrosa (Wimm. & Grab.) Litv..
The record derives from Tropicos which reports it as a synonym (record 25559566) with original publication details: Fl. Siles. 1: 65 65 1827.