| The Hieracium umbellatum aggregate | |
| Publ. & Syn. | ***Hieracium aelocephalum Omang*** - ICE? |
| Notes | Hieracium umbellatum is considered one species in northwestern Europe and assumed to be at least partly sexual. It is considered an aggregate in Russia. |
| Chromosomes | (1) 18 (2x). - Europe, Russia. - Numerous reports, e.g., 67 counts from southern Sweden alone. For H. umbellatum. (2) 27 (3x). - Europe, Russia, Far East, Canada, U.S.A. - Numerous reports for H. umbellatum. |
| Geography | European - Asian (W): RUS SIB. |
| Distribution | N = F E = R YG = r FN = r KP = r [ key ] |
| Parent taxon | Hieracium L. |
| PAF ID | 864625 |