Oxytropis nigrescens var. pygmaea (Pallas) Chamisso

Oxytropis nigrescens var. pygmaea (Pallas) Chamisso is a synonym sensu FNA Ed. Comm., 2023b of:

Oxytropis nigrescens (Pallas) Fischer var. nigrescens, an accepted variety name sensu FNA Ed. Comm., 2023b.