Corallorhiza micrantha Chapman

Flowers: perianth tending to be closed; lip distinctly different from lateral sepals, 2.6–3.8 × 1.7–2.2 (–3) mm; column 1.9–2.5 × 0.8–1 mm or with only poorly developed auricles at base on adaxial surface; stigmatic surfaces 0.2–0.4 × 0.3–0.5 mm.

Flowering mid Aug--Oct. Rich deciduous woods, mixed woods, and conifer plantations; 0--2800 m; Ont., Que.; Ala., Ark., Conn., Del., D.C., Fla., Ga., Ill., Ind., Iowa, Kans., Ky., La., Maine, Md., Mass., Mich., Minn., Miss., Mo., Nebr., N.H., N.J., N.Mex., N.Y., N.C., Ohio, Okla., Pa., R.I., S.C., S.Dak., Tenn., Tex., Vt., Va., W.Va., Wis.