Crataegus diversifolia Steud., 1821 Crataegus diversifolia Steud., 1821is earlier homonym of Crataegus diversifolia (Pers.) M. Roem., Fam. Nat. Syn. Monogr. Rosiflorae 3: 120. 1847is earlier homonym of Crataegus diversifolia Sarg. in J. Arnold Arbor. 6: 4. 1925This name is not assigned to any taxon.