Crataegus phaenopyrum (Linnaeus f.) Medikus. Washington Hawthorn. Phen: May-early Jun; Sep-Oct. Hab: Mesic upland woodlands, floodplain forests, pastures, thickets, disturbed areas, sometimes locally abundant. Dist: Native range presumed to be PA south to SC, west to sw. MO, AR; also c. and s. AL s. to n. FL; naturalized populations originating from widespread cultivation may be involved in parts of this range, with additional expansions becoming evident.

Origin/Endemic status: Native

Synonymy: = Ar, C, FNA9, G, Il, K1, K3, Mi, NcTx, Pa, RAB, S13, Tn, W, Lance (2014); > Crataegus phaenopyrum (L.f.) Medik. – F, S; > Crataegus populifolia – S; > Crataegus youngii Sarg. – F

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