| Species | Common Name |
|---|---|
| Corallorhiza maculata var. maculata | spotted coralroot |
| Epipactis gigantea | stream orchid |
| Epipactis helleborine | |
| Platanthera elegans subsp. elegans | |
| Platanthera elongata | wood rein-orchid |
| Platanthera michaelii | Michael's rein-orchid |
| Platanthera transversa | flat-spurred piperia |
| Platanthera unalascensis | Alaska piperia, slender-spire orchid |
| Spiranthes romanzoffiana |