Rein and Bog Orchids East of the Cascade Mountains of Oregon and Washington

The Genus Platanthera (formerly the Genus Piperia)

Elegant Rein Orchid, Elegant Piperia, Hillside Rein Orchid, Long-spurred Rein Orchid: Platanthera elegans (Synonyms: Habenaria elegans, Habenaria greenei, Habenaria unalascensis var. elata, Piperia elegans ssp. elegans, Piperia maritima, Piperia multiflora) - Plants with fragrant odors. The spur is much longer than the lip.

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

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

Alaska Rein Orchid, Short-spurred Bog Orchid, Short-spurred Piperia, Slender-spire Orchid: Platanthera unalascencis (Synonyms: Habenaria schischmareffiana, Habenaria unalascencis, Piperia unalascensis) - Plants with unpleasant odors. The spur is about as long as the lower lip, or slightly longer.