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CCDB → Angiosperms → Ranunculaceae → Melanthium
| Taxon name | Status | Median (n) |
| Melanthium latifolium Desr. | Accepted | 8 |
| Melanthium parviflorum (Michx.) S. Watson | Accepted | 8 |
| Melanthium virginicum L. | Accepted | 8 |
| Melanthium woodii (J. W. Robbins) Bodkin | Accepted | 8 |
| Veratrum woodii J. W. Robbins ex A. Wood | Synonym of Melanthium woodii (J. W. Robbins) Bodkin | 8 |