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CCDB → Angiosperms → Ranunculaceae → Helleborus → Helleborus ×nigercors A. Wall
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| ! | Helleborus ×nigercors None | Helleborus ×nigercors A. Wall | 32 | C-values database | Meiners J, Debener T, Schweizer G, Winkelmann T. 2011. Analysis of the taxonomic subdivision within the genus Helleborus by nuclear DNA content and genome-wide DNA markers. Scientia Horticulturae 128: 38-47. |