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CCDB → Angiosperms → Ranunculaceae → Helleborus → Helleborus niger subsp. macranthus (Freyn) Schiffn.
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| ! | Helleborus niger subsp. macranthus (Freyn) Schiffn. | Helleborus niger subsp. macranthus (Freyn) Schiffn. | 32 | IPCN67-71 | LOVKA, M., F. SUSNIK, A. LOEVE, & D. LOEVE. 1971. In IOPB chromosome number reports XXXIV. Taxon 20: 785-797:- |