| Scientific Name | Authority | Status |
|---|---|---|
| Paphiopedilum dayanum var. petri | (Rchb.f.) Pfitzer | synonym |
| Cypripedium ernestianum | L.Castle | synonym |
| Cypripedium spectabile var. dayanum | (Robert Stone ex J.Dix) Lindl. | synonym |
| Paphiopedilum petri | (Rchb.f.) Pfitzer | synonym |
| Cypripedium dayanum | Robert Stone ex J.Dix | synonym |
| Cordula dayana | (Robert Stone ex J.Dix) Rolfe | synonym |
| Cordula petri | (Rchb.f.) Rolfe | synonym |
| Cypripedium peteri | Rchb.f. | synonym |
| Cypripedium dayi | B.S.Williams | synonym |
| Cypripedium petri | Rchb.f. | synonym |
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