⚠ Version 1 of The Plant List has been superseded.
This name record (from Tropicos) is not included in version 1.1 of The Plant List. It is possible the same name is included from a different data source, to check this you can search for Roegneria foliosa in version 1.1 of The Plant List.
This name is a synonym of Elymus alienus .
The record derives from Tropicos which reports it as a synonym (record 25542333
) with original publication details: Fl. Ill. Pl. Prim. Sin., Gram. 366, f. 296 366 1959.