Crataegus ×notha Sargent (pro sp.). Mongrel Hawthorn. Phen: Apr; Sep-Oct. Hab: Gravelly hills in oak woodlands. Dist: Endemic to Hempstead County, AR; no collections since 1921 suggest this entity may be extinct.
Origin/Endemic status: Endemic
Syn: = Phipps, O’Kennon, & Lance (2003); = n/a – FNA9
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