Quercus macrocarpa Michaux var. macrocarpa . Subgenus: Quercus. Section: Quercus. Subsection: Prinoideae. Common name: Bur Oak, Mossycup Oak. Phenology: Mar-May; Sep-Oct (of the same year). Habitat: Rich bottomland forests, sometimes in drier forests, woodlands, oak savannas, and prairie edges, and then usually over limestone or other calcareous rocks. Distribution: NB and QC west to s. MB, south to nw. VA, KY, TN, LA, and TX.

Origin/Endemic status: Native

Taxonomy Comments: Variation in this species needs additional study; Q. macrocarpa in our area is the typic variety or subspecies if other taxa are recognized.

Synonymy ⓘ: = GrPl, K4, NS, POWO; = n/a — RAB; < Quercus macrocarpa Michx. — Ar, C, Can, F, FNA3, G, GW2, Il, Mi, Mo3, NcTx, NE, NY, Pa, S, S13, Tat, Tn, Tx, Va, W, WV. Basionym: Quercus macrocarpa Michx. 1801

Links to other floras: < Quercus macrocarpa - FNA3

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Wetland Indicator Status:

• Atlantic and Gulf Coastal Plain: FACU (name change)
• Eastern Mountains and Piedmont: FAC (name change)
• Great Plains: FACU (name change)
• Midwest: FAC (name change)
• Northcentral & Northeast: FACU (name change)

Heliophily ⓘ: 6