| Scientific Name | Authority | Status |
|---|---|---|
| Limnorchis thurberi | (A.Gray) Rydb. | synonym |
| Limnorchis arizonica | Rydb. | synonym |
| Platanthera propinqua | (A.Rich. & Galeotti) Soto Arenas & Salazar | synonym |
| Gymnadenia propinqua | A.Rich. & Galeotti | synonym |
| Limnorchis limosa | (Lindl.) Efimov | synonym |
| Habenaria orizabensis | A.Rich. & Galeotti | synonym |
| Platanthera neottioides | A.Rich. & Galeotti | synonym |
| Platanthera limosa | Lindl. | synonym |
| Platanthera guatemalensis | Schltr. | synonym |
| Habenaria limosa | (Lindl.) Hemsl. | synonym |
| Habenaria thurberi | A.Gray | synonym |
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