Aureolaria flava (Linnaeus) Farwell. Smooth Oak-leech. Phen: Aug-Sep; Sep-Oct. Hab: Oak forests and woodlands, hemiparasitic on Quercus subgenus Quercus. Dist: ME west to MN, south to GA, c. peninsular FL, AL, and e. LA.

Origin/Endemic status: Native

Taxonomy Comments: The various named varieties or subspecies need additional study; the variation seems too clinal to be practically recognized taxonomically.

Synonymy: = Ar, Fl7, Mi, NY, RAB, Tn, Va, W, WH3; < Aureolaria flava (L.) Farw. – FNA17; > Aureolaria flava (L.) Farw. ssp. flava – S, Tat; >< Aureolaria flava (L.) Farw. ssp. flava – S; > Aureolaria flava (L.) Farw. ssp. macrantha Pennell – Pennell (1935); > Aureolaria flava (L.) Farw. ssp. reticulata (Raf.) Pennell – S, Tat, Pennell (1935); > Aureolaria flava (L.) Farw. ssp. typica – Pennell (1935); >< Aureolaria flava (L.) Farw. var. flava – C, G, K1, K3, K4, NE, Pa; > Aureolaria flava (L.) Farw. var. macrantha Pennell – C, G, Il, K1, K3, K4, Pa, Tx; > Gerardia flava L. var. flava – F; > Gerardia flava L. var. macrantha (Pennell) Fernald – F; > Gerardia flava L. var. reticulata (Raf.) Cory – F

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Heliophily: 5