Corallorhiza maculata var. maculata
Inflorescences: floral bracts 0.5–1 × 0.5–9 mm, usually entire. Flowers: middle lobe of lip expanded slightly or not at all distally, ratio of width of dilated part to base of middle lobe less than 1.5; lip 3.3–7 × 1.5–4.5 mm; column curved, 3.3–5.5 × 0.7–1 mm at stigma; stigmatic surface elliptic-oblong to nearly square, 0.7 × 1 mm.
Phenology: Flowering May–Aug.
Habitat: Moist to dry coniferous and deciduous woods, and conifer plantations, often in florests with little other herbaceous cover
Elevation: 0–3700 m
St. Pierre and Miquelon (variety unconfirmed), Alta., B.C., Man., N.B., Nfld. and Labr. (Nfld.), N.S., Ont., P.E.I., Que., Sask., Ariz., Calif., Colo., Conn., Del., D.C., Ga., Idaho, Ill., Ind., Iowa, Maine, Md., Mass., Mich., Minn., Mont., Nev., N.H., N.J., N.Mex., N.Y., N.C., Ohio, Oreg., Pa., R.I., S.C., Tenn., Utah, Vt., Va., Wash., W.Va., Wis., Wyo.