CCDBAngiospermsRanunculaceaeHelleborusHelleborus niger L.

9 chromosome counts in Helleborus niger L.:


Name Accepted Name Gametophytic(n) Sporophytic(2n) Data Source reference
  Helleborus niger L. Helleborus niger L.   32 CHROBASE D'AMATO G., BIANCHI G. - 1989. Heterochromatin and Ag-NOR staining in some species of Helleborus (Ranunculaceae).. Caryologia , 42(1): 19-26.
  Helleborus niger L. Helleborus niger L.   32 CHROBASE D'AMATO G., BIANCHI G. - 1989. Heterochromatin and Ag-NOR staining in some species of Helleborus (Ranunculaceae).. Caryologia , 42(1): 19-26.
  Helleborus niger L. Helleborus niger L.   32 IPCN online Druskovic, B. & M. Lovka. 1995. IOPB chromosome data 9. Int. Organ. Pl. Biosyst. Newslett. (Zurich) 24: 15–19.
  Helleborus niger L. Helleborus niger L. 16   IPCN online Niklas, L. 2000. In C. Dobea & E.Vitek, Documented Chromosome Number Checklist of Ausrian Vascular Plants. Verlag des Naturhistorischen Museums Wien, Vienna.
!   Helleborus niger L. Helleborus niger L.   32 IPCN67-71 LOVKA, M., F. SUSNIK, A. LOEVE, & D. LOEVE. 1971. In IOPB chromosome number reports XXXIV. Taxon 20: 785-797:-
  Helleborus niger L. Helleborus niger L.   32 Fedorov, 1974 Langlet 1927a, 1932
  Helleborus niger L. Helleborus niger L.   32 Fedorov, 1974 Kurita 1956b
!   Helleborus niger L. Helleborus niger L.   32 C-values database Temsch EM, Temsch W, Ehrendorfer-Schratt L, Greilhuber J. 2010. Heavy metal pollution, selection, and genome size: The species of the Žerjav study revisited with flow cytometry. Journal of Botany 2010: Article ID 596542, 11 pages.
  Helleborus niger L. Helleborus niger L.   32 Cave1959 Kurita 1958b