Betula alleghaniensis Britton. Common name: Yellow Birch. Phenology: Apr-May; Jun-Aug. Habitat: Forests at medium to high elevations, rarely at low elevations. Northward in a variety of cooler mesic to wet forests and swamps. Distribution: NL (Newfoundland) west to se. MB, south to PA, OH, n. IN, WI, MN, and IA, and in the mountains south to w. NC, n. GA, and e. TN.

ID notes: Fall leaf color is bright yellow.

Origin/Endemic status: Native

Taxonomy Comments: A hexaploid species (2n=6x=84).

Synonymy ⓘ: = C, Can, FNA3, Il, K4, Mi, NE, NS, NY, Pa, POWO, S, Tn, Va, W, WV, Ashburner & McAllister (2016), Furlow (1990), Hardin (1971a); = Betula lutea F.Michx. — GrPl, RAB, S13; = n/a — Tat; > Betula alleghaniensis Britton var. alleghaniensis; > Betula alleghaniensis Britton var. macrolepis (Fernald) Brayshaw; > Betula lutea F.Michx. var. lutea — F, G; > Betula lutea F.Michx. var. macrolepis Fernald — F, G. Basionym: Betula alleghaniensis Britton 1904

Links to other floras: = Betula alleghaniensis - FNA3

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Wetland Indicator Status:

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

Heliophily ⓘ: 4