⚠ Version 1 of The Plant List has been superseded.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 Poa rigens in version 1.1 of The Plant List.

Poa rigens f. elongata (Blytt) Lindm. is a synonym of Poa arctica subsp. elongata (Blytt) Nannf.

This name is a synonym of Poa arctica subsp. elongata (Blytt) Nannf..

The record derives from Tropicos which reports it as a synonym (record 50078594) with original publication details: Skand. Fl. 2: 211 211 1926.