Quercus rubra Linnaeus var. rubra . Subgenus: Quercus. Section: Lobatae. Subsection: Coccineae. Red Oak. Phen: Apr; Aug-Sep (of the second year). Hab: Moist to fairly dry forests of slopes, coves, and ravines, below 1000 meters elevation. Dist: Widespread in e. North America, south to e. VA, GA, AL, MS, AR, and OK.

Origin/Endemic status: Native

Synonymy: = F, FNA3, K1, Mi, RAB, WV; = Quercus borealis F.Michx. var. maxima (Marshall) Ashe – G, GrPl; = Quercus maxima (Marshall) Ashe – S; < Quercus rubra L. – Ar, C, Il, K3, K4, NE, NY, Pa, S13, Tat, Tn, Va, W, Wu et al (2023)

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Wetland Indicator Status:

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

Heliophily: 4