Calypso, Calypso Orchid, Fairy Slipper, Fairy Slipper Orchid: Calypso bulbosa var. occidentalis (Synonym: Calypso bulbosa ssp. occidentalis) -
Coralroots of Mt. Adams Country: The Genus Corallorhiza -
Mountain Lady Slipper, Mountain Lady's Slipper: Cypripedium montanum -
Phantom Orchid: Eburophyton austiniae (Synonyms: Chloraea austiniae, Eburophyton austiniae) -
Giant Helleborine, Stream Orchid: Epipactis gigantea (Synonyms: Amesia gigantea, Epipactis gigantea f. citrina, Epipactis gigantea f. rubrifolia, Helleborine gigantea) -
Giant Rattlesnake Plantain, Green-leaf Rattlesnake-plantain, Rattlesnake Plantain, Western Rattlesnake Plantain: Goodyera oblongifolia (Synonyms: Goodyera decipiens, Goodyera oblongifolia var. reticulata, Peramium decipiens, Peramium menziesii) -
Fen Orchid, Loesel's Twayblade: Liparis loeselii (Synonyms: Leptorchis loeselii, Liparis correana, Malaxis correana, Malaxis longifolia, Ophrys loeselii) -
Twayblades of Mt. Adams Country: The Genus Listera -
Rein Orchids of Mt. Adams Country: The Genus Piperia -
Bog Orchids of Mt. Adams Country: The Genus Platanthera -
Ladies' Tresses of Mt. Adams Country: The Genus Spiranthes -