United States, Colorado, Gunnison, Gothic, Rocky Mountain Biological Laboratory. Along East River approximately 1 mile downstream from Gothic. Begin just where canyon opens out into meanders (just below end of fenceline) and moving upstream to point where powerline crosses river (ca. 1/3 mile).
38.9356282 -106.9670319 +-100m. WGS84
T13S R86W sec11 SE1/4
2798-2804 meters
Elev.: 9180-9200 ft./ 2798-2804 m.
Growing in wet, mossy, open banks along river.
Growing at same sites as Platanthera hyperborea.
Flowers white, on slender stems. Leaves pinnately compound with relatively broad, serrate leaflets. Leaves mostly basal. Full bloom. Fairly common.