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CCDB → Angiosperms → Apocynaceae → Dregea
| Taxon name | Status | Median (n) |
| Dregea volubilis (L.) Benth. ex Hook. | Accepted | 11 |
| Dregea volubilis var. angustifolia Hook. | Synonym of Dregea volubilis (L.) Benth. ex Hook. | 11 |