Crataegus margaretiae Ashe var. margaretiae . Margaret's Hawthorn. Phen: Apr-May; Sep-Oct. Hab: Mesic hardwood forests, streamside thickets, pastures. Dist: PA west to WI, IA, south to w. VA, MO {TN, w. VA}.

ID notes: This species is distinctive in its widely obovate to nearly orbicular leaves with obtuse lobes, petioles often as long as the blade.

Origin/Endemic status: Native

Synonymy: = Crataegus margaretta – S, S13, Tn, Lance (2014); = Crataegus margarettae Ashe var. margarettae – FNA9; = Crataegus margarettiae Ashe var. margarettiae; < Crataegus chrysocarpa Ashe – C, Pa; > Crataegus chrysocarpa Ashe – K1; ? Crataegus margaretta – Mi; > Crataegus margaretta var. brownei – G, (orthographic variant); > Crataegus margaretta var. brownii (Britton) Sarg. – F; > Crataegus margaretta var. margaretta – F, G; > Crataegus margarettiae Ashe – Il, K1, orthographic variant

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