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CCDB → Angiosperms → Ranunculaceae → Cyrtorhyncha
| Taxon name | Status | Median (n) |
| Ranunculus ranunculinus (Nutt.) Rydb. | Synonym of Cyrtorhyncha ranunculina Nutt. | 16 |
| Cyrtorhyncha cymbalaria (Pursh) Britton | Synonym of Halerpestes cymbalaria (Pursh) Greene | 8 |