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, S13, 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, Tat; > Celtis occidentalis L. var. crassifolia (Lam.) A.Gray – Tat; > Celtis occidentalis L. var. occidentalis – F, GrPl, Il, Tat; > Celtis occidentalis L. var. pumila (Pursh) A.Gray – F, GrPl, Il, misapplied

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Wetland Indicator Status:

• Atlantic and Gulf Coastal Plain: FACU (taxonomic split from wetland indicator species)
• Eastern Mountains and Piedmont: FACU (taxonomic split from wetland indicator species)
• Great Plains: FACU (taxonomic split from wetland indicator species)
• Midwest: FAC (taxonomic split from wetland indicator species)
• Northcentral & Northeast: FAC (taxonomic split from wetland indicator species)

Heliophily ⓘ: 5