The Ute ladies' tresses orchid (Spiranthes diluvialis Sheviak) is a federally Threatened orchid that can be found in wet meadows on City of Boulder Open Space land.
Abbildungen der in Deutschland und den angrenzenden gebieten vorkommenden grundformen der orchideenartenBerlin,R. Friedlnder & sohn,1904.biodiversitylibrary.org/page/15349974