Crataegus ×harveyana Sargent (pro sp.). Harvey's Hawthorn. Phen: Apr-May; Sep-Oct. Hab: Rocky woodlands. Dist: Endemic to n. and c. AR.
Origin/Endemic status: Endemic
Taxonomy Comments: An assumed interserial hybrid involving C. calpodendron (Ehrhart) Medikus and perhaps a member of series Intricatae.
Synonymy: = Phipps, O’Kennon, & Lance (2003); = Crataegus harveyana Sarg. – Sargent (1922a); >< Crataegus calpodendron (Ehrh.) Medik. – FNA9
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