Crataegus ×danielsii E.J. Palmer. Phen: Apr; Sep-Oct. Hab: Limestone glades, hillsides, brush. Dist: MO, ? n. AR.
Origin/Endemic status: Endemic
Taxonomy Comments: Assumed to represent a hybrid between a member of the Crus-galli series with perhaps a form of C. collina or C. ×verruculosa.
Synonymy: = Palmer (1935); >< Crataegus ×disperma Ashe – FNA9