Trillium cernuum Linnaeus. Subgenus: Trillium. Northern Nodding Trillium. Phen: Late Apr-May. Hab: Moist rich woods, seepage edges, damp forests with Fraxinus nigra and Ulmus americana, on mafic or calcareous substrates. Dist: NL (Newfoundland), Hudson Bay area, and se. SK south to n. VA, ne. WV, n. IN, n. IL, n. IA, and SD.

Origin/Endemic status: Native

Other Comments: Petals white, pink, maroon, or green.

Synonymy: = FNA26, K1, K3, K4, K4, Mi, NE, NY, Va, W, WV, Case & Case (1997), Patrick (1986); < Trillium cernuum L. – S, (apparently also including T. rugelii); > Trillium cernuum L. var. cernuum – C, F, G, Pa; >< Trillium cernuum L. var. macranthum A.J.Eames & Wiegand – C, F, G, Il, Pa

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