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CCDB → Angiosperms → Gentianaceae → Tripterospermum → Tripterospermum japonicum Maxim.
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| ! | Tripterospermum japonicum Maxim. | Tripterospermum japonicum Maxim. | 46 | IPCN online | Shigenobu, Y. 1984. Karyomorphological studies in some genera of Gentianaceae II. Gentiana and its allied four genera. Bull. Coll. Child Develop., Kochi Womens Univ. 8: 55–104. | ||
| ! | Tripterospermum japonicum Maxim. | Tripterospermum japonicum Maxim. | 46 | IPCN online | Nishikawa, T. 1981. Chromosome counts of flowering plants of Hokkaido (5). Rep. Taisetsuzan Inst. Sci. 16: 45–53. | ||
| ! | Tripterospermum japonicum Maxim. | Tripterospermum japonicum Maxim. | 23 | 46 | IPCN67-71 | WADA, z. 1966. Chromosome numbers in Gentianaceae. Chromosome Inf. Serv. 7: 28-30. | |
| ! | Crawfurdia japonica Siebold & Zucc. | Tripterospermum japonicum Maxim. | 20 | Kumar, 1987 | Hsu, C.-C. 1968 | ||
| ! | Crawfurdia japonica Siebold & Zucc. | Tripterospermum japonicum Maxim. | 46 | Kumar, 1987 | Wada, Z. 1956 | ||
| ! | Crawfurdia japonica Siebold & Zucc. | Tripterospermum japonicum Maxim. | 46 | Fedorov, 1974 | Wada 1956 | ||
| ! | Crawfurdia japonica Siebold & Zucc. | Tripterospermum japonicum Maxim. | 46 | Cave1956 | Wada |