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CCDB → Angiosperms → Hypericaceae → Hypericum → Hypericum quadrangulum auct.
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| ! | Hypericum quadrangulum auct. | Hypericum maculatum Crantz | 16 | IPCN67-71 | ZHUKOVA, P. G. 1967. Karyology of some plants, cultivated in the Arctic-Alpine Botanical Garden. (In Russian). In N. A. Avrorin (ed.): Plantarum in Zonam Polarem Transportatio. II. Leningrad 1967, pp. 139-149. | ||
| ! | Hypericum quadrangulum auct. | Hypericum maculatum Crantz | 16 | Darlington, 1955 | Noack 1939 |