| Scientific Name | Authority | Status |
|---|---|---|
| Calceolus marianus | Crantz | synonym |
| Cypripedium alternifolium | St.-Lag. | synonym |
| Cypripedium ferrugineum | Gray | synonym |
| Cypripedium guttatum ssp. microsaccos | (Kraenzl.) Soó | synonym |
| Cypripedilon marianus | (Crantz) Rouy | synonym |
| Cypripedium calceolus triflorum | Rouy | synonym |
| Cypripedium calceolus var. citrinum | B.Hergt | synonym |
| Cypripedium calceolus var. bellum | Chmiel | synonym |
| Cypripedium atsmori | C.Morren | synonym |
| Cypripedium cruciatum | Dulac | synonym |
| Cypripedium calceolus var. biflorum | Rouy | synonym |
| Cypripedium microsaccos | Kraenzl. | synonym |
| Cypripedium calceolus biflorum | Rouy | synonym |
| Calceolus alternifolius | St.-Lag. | synonym |
| Cypripedium calceolus var. viridiflorum | M.Schulze | synonym |
| Cypripedium calceolus f. grandifolium | Bolzon | synonym |
| Cypripedium boreale | Salisb. | synonym |
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