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CCDB → Angiosperms → Ranunculaceae → Helleborus → Helleborus cyclophyllus Boiss.
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| Helleborus cyclophyllus Boiss. | Helleborus cyclophyllus Boiss. | 32 | IPCN online | Van Loon, J. C. 1982. In IOPB chromosome number reports LXXVII. Taxon 31: 763–764. | |||
| Helleborus cyclophyllus Boiss. | Helleborus cyclophyllus Boiss. | 32 | IPCN online | Strid, A. & R. Franzen. 1981. In Chromosome number reports LXXIII. Taxon 30: 829–842. | |||
| ! | Helleborus cyclophyllus Boiss. | Helleborus cyclophyllus Boiss. | 32 | C-values database | Zonneveld BJM. 2001. Nuclear DNA contents of all species of Helleborus (Ranunculaceae) discriminate between species and sectional divisions. Plant Systematics and Evolution 229: 125-130. |