Crataegus calpodendron var. microcarpa (Chapman) E.J. Palmer

Crataegus calpodendron var. microcarpa (Chapman) E.J. Palmer is a synonym sensu FNA Ed. Comm., 2014 of:

Crataegus calpodendron (Ehrhart) Medikus, an accepted species name sensu FNA Ed. Comm., 2014.