Platanthera genus -- Orchid family
northern green orchid (Platanthera aquilonis) -- in July -- Boreas Pass Road, Summit County, CO green & brown
shortflowered bog orchid (Platanthera brevifolia) -- in September -- Lincoln National Forest, NM green & brown
Huron green orchid (Platanthera huronensis) -- in July -- Sportsman Lake Road, WY green & brown
Huron green orchid (Platanthera huronensis) -- in July -- Wild Basin, Rocky Mountain NP, CO
one-leaved orchid (Platanthera obtusata) -- in July -- Wild Basin, Rocky Mountain National Park, CO green & brown
purple-petal bog orchid (Platanthera purpurascens) -- in July -- Herman Gulch, Clear Creek County, CO green & brown
slender bog orchid (Platanthera stricta) -- in June -- Glacier National Park, MT green & brown