| Scientific Name | Authority | Status |
|---|---|---|
| Orchis cordata | Willd. | synonym |
| Satyrium diphyllum | Link | synonym |
| Platanthera diphylla | (Link) Rchb.f. | synonym |
| Habenaria cordata | (Willd.) R.Br. ex Spreng. | ambiguous synonym |
| Coeloglossum diphyllum | (Link) Fiori & Paol. | synonym |
| Gymnadenia diphylla | (Link) Link | synonym |
| Coeloglossum cordatum | (Willd.) Nyman | synonym |
| Herminium cordatum | (Willd.) Lindl. | synonym |
| Digomphotis cordata | (Willd.) Raf. | synonym |
| Habenaria diphylla | (Link) T.Durand & Schinz | ambiguous synonym |
| Orchis diphylla | (Link) Samp. | synonym |
| Orchis cordifolia | Munby | synonym |
| Peristylus cordatus | (Willd.) Lindl. | synonym |
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