Fairy Slipper, Lady Slipper Orchid: Calypso bulbosa var. occidentalis -
Phantom Orchid, Snow Orchid: Cephalanthera austiniae (formerly Eburophyton austiniae) -
Coralroots: The Genus Corallorhiza -
Lady's Slippers: The Genus Cypripedium -
Helleborines: The Genus Epipactis -
Western Rattlesnake Plantain, Green-leaf Rattlesnake-plantain, Giant Rattlesnake Plantain: Goodyera oblongifolia (Synonyms: Goodyera decipiens, Peramium decipiens) -
Twayblades: The Genus Listera -
Rein Orchids: The Genus Piperia -
Bog Orchids: The Genus Platanthera -
Ladies Tresses: The Genus Spiranthes -