CCDBAngiospermsCompositaeArnicaArnica rydbergii Greene

4 chromosome counts in Arnica rydbergii Greene:


Name Accepted Name Gametophytic(n) Sporophytic(2n) Data Source reference
  Arnica rydbergii Greene Arnica rydbergii Greene 19(1) 38(1) Asteracea Wolf 1980 Amer. J. Bot.
  Arnica rydbergii Greene Arnica rydbergii Greene   76 IPCN online Wolf, S. J. 1987. Cytotaxonomic studies in the genus Arnica (Compositae: Senecioneae). Rhodora 89: 391–400.
  Arnica rydbergii Greene Arnica rydbergii Greene 19 38 IPCN online Wolf, S. J. 1980. Cytogeographical studies in the genus Arnica (Compositae : Senecioneae). I. Amer. J. Bot. 67: 300–308.
  Arnica rydbergii Greene Arnica rydbergii Greene   76 IPCN online Straley, G. B. 1979. In IOPB chromosome number reports LXIII. Taxon 28: 278.