CCDB is a community resource. If you are aware of any missing data or if any of the counts are erroneous please submit it to the forms submit new counts, or report erroneous counts.
CCDB → Angiosperms → Compositae → Arnica → 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. |