The Orchid Family in the Cascade Mts. of Oregon and Washington

Calypso, Fairy-slipper, Venus-slipper: Calypso bulbosa var. americana (Synonym: Calypso americana)

Calypso, Calypso Orchid, Fairy Slipper, Fairy Slipper Orchid: Calypso bulbosa var. occidentalis (Synonyms: Calypso bulbosa f. occidentalis, Calypso bulbosa ssp. occidentalis)

Phantom Orchid: Cephalanthera austiniae (formerly Eburophyton austiniae)

Coralroot Orchids: The Genus Corallorhiza -

Lady's Slipper Orchids: The Genus Cypripedium -

Chatterbox, Giant Helleborine, Stream Orchid: Epipactis gigantea (Synonyms: Amesia gigantea, Epipactis gigantea f. citrina, Epipactis gigantea f. rubrifolia, Helleborine gigantea)

Western Rattlesnake Plantain, Green-leaf Rattlesnake-plantain, Giant Rattlesnake Plantain: Goodyera oblongifolia (Synonyms: Goodyera decipiens, Goodyera oblongifolia var. reticulata, Peramium decipiens, Peramium menziesii) -

Twayblades: The Genus Listera -

Reinorchids: The Genus Piperia -

Bog Orchids: The Genus Platanthera -

Ladie's Tresse: The Genus Spiranthes -