Crataegus succulenta Schrader ex Link var. macracantha (Loddiges ex Loudon) Eggleston. Large-spine Hawthorn. Phen: Late Apr-early Jun; Sep-Oct. Hab: Rocky or mesic hardwood forests, upland pastures, clearings, shaley soils. Dist: Ranging across all of southern Canada and ME to OR, s. in mountainous uplands to AZ, NM, e. to KS, n. MO, sw. VA, ?NC; the most widely distributed hawthorn in North America.
Origin/Endemic status: Native
Syn: = Crataegus macracantha – FNA9, G; > Crataegus succulenta var. macracantha – F, G; > Crataegus succulenta var. pertomentosa – F, GrPl