Celtis occidentalis Linnaeus. Northern Hackberry. Phen: Mar-May; Aug-Oct. Hab: Xeric to mesic glades, outcrops, barrens, woodlands, and bottomland forests, usually over calcareous substrates. Dist: NH, QC, MB, and MT south to Panhandle FL, nc. TX, and ne. NM.
Origin/Endemic status: Native
Synonymy: = Ar, C, FNA3, G, K1, K3, K4, Mi, NE, NY, Pa, S, Tn, Tx, Va, W, WV; = Celtis occidentalis L. var. occidentalis – RAB; < Celtis occidentalis L. – WH3; > Celtis occidentalis L. var. canina (Raf.) Sarg. – F, GrPl, Il; > Celtis occidentalis L. var. occidentalis – F, GrPl, Il; > Celtis occidentalis L. var. pumila (Pursh) A.Gray – F, GrPl, Il, misapplied
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