Not an accepted name (status: unknown). The accepted name is Primula nivalis subsp. subintegerrima (Regel) Vorosch., 1985.

Primula nivalis subsp. xanthobasis (Al.Fed.) Halda, 1985 2% complete

No common name

A.K.Skvortsov (ed.), Florist. Issl. Razn. Raionakh SSSR: 186 (1985)

There is no corrections for Primula nivalis subsp. xanthobasis yet.