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CCDB → Angiosperms → Ranunculaceae → Coptidium
| Taxon name | Status | Median (n) |
| Coptidium lapponicum (L.) Gand. ex Rydb. | Accepted | 8 |
| Ranunculus altaicus Laxm. | Synonym of Coptidium lapponicum (L.) Gand. ex Rydb. | 8 |
| Ranunculus lapponicus L. | Synonym of Coptidium lapponicum (L.) Gand. ex Rydb. | 8 |
| Ranunculus lapponicus L. | Synonym of Coptidium lapponicum (L.) Gand. ex Rydb. | 8 |
| Coptidium pallasii Á. Löve & D. Löve | Synonym of Coptidium pallasii (Schltdl.) Tzvelev | 16 |
| Ranunculus pallasii Schltdl. | Synonym of Coptidium pallasii (Schltdl.) Tzvelev | 16 |
| Ranunculus pallasii Schltdl. | Synonym of Coptidium pallasii (Schltdl.) Tzvelev | 16 |