Rein Orchids of the Cascade Mountains of Oregon and Washington

The Genus Platanthera

(formerly the Genera Habenaria and Piperia)

Elegant Rein Orchid, Elegant Piperia, Hillside Rein Orchid: Platanthera elegans ssp. elegans (Synonyms: Habenaria elegans, Habenaria greenei, Habenaria unalascensis var. maritima, Piperia elegans ssp. elegans) -

Dense Orchid, Denseflower Rein Orchid, Dense-flower Rein Orchid, Green-flowered Piperia: Platanthera elongata (Synonyms: Habenaria unalascensis ssp. elata, Habenaria unalascensis var. elata, Piperia elegans var. elata, Piperia elongata) -

White-flowered Piperia, White-flower Rein Orchid, White-lip Rein Orchid: Platanthera ephemerantha (Synonyms: Habenaria unalascensis, Piperia candida) -

Suksdorf's Piperia, Royal Rein Orchid: Platanthera transversa (Synonyms: Habenaria elegans, Habenaria unalascensis var. elata, Piperia transversa) -

Alaska Rein Orchid, Short-spurred Orchid, Short-spurred Piperia, Slender-spire Orchid: Platanthera unalascensis (Synonyms: Habenaria schischmareffiana, Habenaria unalascensis, Piperia unalascensis, Platanthera foetida, Spiranthes unalascensis) -