Corallorhiza odontorhiza (Willdenow) Poiret. Autumn Coralroot. Phen: Aug-Sep; Oct. Hab: Mesic to dry forests, especially under oaks. Dist: The cleistogamous form (or recognized as var. odontorhiza) is the more common, and is widespread in e. North America, from ME, NY, s. ON, MI, and MN south to SC, c. GA, ne. FL, c. AL, n. MS, c. AR, and e. OK.

Origin/Endemic status: Native

Syn: = C, ETx1, F, G, Il, K3, K4, Mo1, Pa, RAB, Va, W, WH3, WV, Correll (1950), Luer (1975); > Corallorhiza odontorhiza (Willd.) Poir. var. odontorhiza – Ar, FNA26, K1, Mi, NE, NY, Tn, Freudenstein (1997); > Corallorhiza odontorhiza (Willd.) Poir. var. pringlei (Greenm.) Freudenst. – FNA26, K1, Mi, NE, NY, Tn, Freudenstein (1997); > Corallorrhiza micrantha Chapm. – S; > Corallorrhiza odontorhiza – S, orthographic variant; > Corallorrhiza pringlei Greenm.

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