CCDBAngiospermsCompositaeAchilleaPtarmica sibirica Ledeb.

2 chromosome counts in Ptarmica sibirica Ledeb.:


Name Accepted Name Gametophytic(n) Sporophytic(2n) Data Source reference
  Ptarmica sibirica Ledeb. Achillea alpina L.   36 IPCN online Belaeva, V. A. & V. N. SIPLIVINSKY. 1976. Chromosome numbers and taxonomy of some species of Baikal flora. Bot. Žhurn. (Moscow & Leningrad) 61(6): 873–880.
  Ptarmica sibirica Ledeb. Achillea alpina L.   36 IPCN67-71 CHOUKSANOVA, N.A., L.I. SVESHNIKOVA, & T.V. ALEXANDROVA. 1968. A new evidence on chromosome numbers in species of the family Compositae Giseke. Citologija 10: 381-386.