Lady Slipper Orchid: Calypso bulbosa

Phantom Orchid: Cephalanthera austiniae (formerly Eburophyton austiniae)

Coralroot Orchids: The Genus Corallorhiza -

Lady's Slipper Orchids: The Genus Cypripedium -

Giant Helleborine: Epipactis gigantea

Western Rattlesnake Plantain, Green-leaf Rattlesnake-plantain, Giant Rattlesnake Plantain: Goodyera oblongifolia

Twayblades: The Genus Listera -

Reinorchids: The Genus Piperia -

Bog Orchids: The Genus Platanthera -

Ladie's Tresse: The Genus Spiranthes -