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CCDB → Angiosperms → Gentianaceae → Swertia → Swertia tetraptera
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| ! | Swertia tetraptera | Swertia tetraptera Maxim. | 18 | Darlington, 1955 | |||
| Swertia tetraptera Maxim. | Swertia tetraptera Maxim. | 14 | IPCN online | He, T. n., W. Wang & C. y. Xue. 1999. A karyomorphological study on 5 species of Swertia (Gentianaceae). Acta Bot. Boreal.-Occid. Sin. 19(3): 546–551. |