Not an accepted name (status: unknown). The accepted name is Crataegus chrysocarpa var. chrysocarpa 1900.

Crataegus chrysocarpa var. rotundifolia (M.Roem.) J.B.Phipps & Sennikov, 1900 6% complete

No common name

Bull. North Carolina Agric. Exp. Sta. 175: 110 (1900)

There is no corrections for Crataegus chrysocarpa var. rotundifolia yet.