⚠ Version 1 of The Plant List has been superseded.

This name is in version 1.1 of The Plant List, record ild-17346, and has not been changed.

Astragalus nigrescens var. arctobia (Bunge) Tiderstr. is a synonym of Oxytropis nigrescens var. uniflora (Hook.) Barneby

This name is a synonym of Oxytropis nigrescens var. uniflora (Hook.) Barneby.

The record derives from ILDIS which reports it as a synonym (record 17346).