Corallorhiza striata var. vreelandii
Ann. Missouri Bot. Gard. 21: 343. 1934.
Racemes 10–44 cm. Flowers 2–28, conspicuous; sepals and petals often connivent around column, nodding; sepals 5–11 mm; lateral sepals often broadened at base, nearly auriculate; petals 5–11 mm; lip 2–7 × 1.5–4.5 mm; column 1.5–4 mm. Capsules 11–23 mm.
Phenology: Flowering spring–summer.
Habitat: Coniferous woods
Elevation: 400–2600 m
Que., Ariz., Calif., Colo., Idaho, Nev., N.Mex., Oreg., S.Dak., Utah, Wash., Wyo., Mexico
The two varieties of Corallorhiza striata intergrade in California and Oregon, although they are generally distinct. Small specimens from Quebec will key to this variety; they are not thought to be closely related to populations from the southwest.