| Name | Cypripedium calceolus var. parviflorum (Salisbury) Fernald |
| Authorship | (Salisbury) Fernald |
| Rank | Variety |
| Placed in | Cypripedium calceolus Linnaeus |
| Citation | 1946 Rhodora 48(565): 4 |
| Holdings | 4 Specimens held in the Harvard University Herbaria identified as Cypripedium calceolus var. parviflorum (Salisbury) Fernald |
| Identification made in | [no date] (4) |
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