spiranthes genus ---- orchid family
Ute lady's tresses (Spiranthes diluvialis) -- in August -- Boulder County, CO white & cream
hooded lady's tresses (Spiranthes romanzoffiana) -- in August -- Cub Lake Trail, Rocky Mountain NP, CO white & cream
hooded lady's tresses (Spriranthes romanzoffiana) -- in July -- Yellowstone National Park, WY