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CCDB → Angiosperms → Hypericaceae → Hypericum → Hypericum erectum Thunb.
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| Hypericum erectum Thunb. | Hypericum erectum Thunb. | 18 | IPCN online | Probatova, N. S., A. P. Sokolovskaya & E. G. Rudyka. 1989. Chromosome numbers in some species of vascular plants from Kunashir Island (the Kuril Islands). Bot. Žhurn. (Moscow & Leningrad) 74: 1675–1678. | |||
| Hypericum erectum Thunb. | Hypericum erectum Thunb. | 16 | IPCN online | Nishikawa, T. 1985. Chromosome counts of flowering plants of Hokkaido (9). J. Hokkaido Univ. Educ., Sect. 2B 36: 25–40. | |||
| ! | Hypericum erectum Thunb. | Hypericum erectum Thunb. | 16 | eFlora |