Helleborus viridis L. subsp. abruzzicus (M.Thomsen, McLewin & B.Mathew) Bartolucci, F.Conti & Peruzzi, 2n = 32. Scale bar: 10 μm.

 
 
  Part of: Peruzzi L, Astuti G, Bartolucci F, Conti F, Roma-Marzio F (2016) Chromosome numbers for the Italian flora: 2. Italian Botanist 2: 29-42. https://doi.org/10.3897/italianbotanist.2.10900