| Sonchus arvensis var. arvensis | |
| Publ. & Syn. | Sonchus humilis N.I. Orlova, Novosti Sist. Vyssh. Rast. 1964: 344 (1964). Holotype (LE): European Russia: the Murman area, "Peninsula Kolaƫnsis, in viciniis pagi Tetrino", 04. Aug. 1927, leg. G. Zinserling 876. |
| Notes | Korobkov (PAF proposal) accepted Sonchus humilis. Western European botanists have considered it a northern coastal race or ecotype, perhaps variety. The nominal race or ecotype may not reach the Arctic as established. |
| Chromosomes | 54 (6x). - Europe, Canada. - Numerous reports, e.g., 36 counts from southern Scandinavia. |
| Geography | European - Asian (W): NOR RUS SIB**. |
| Distribution | N = F E = R FN = r Tm = ** KP = ** [ key ] |
| Parent taxon | Sonchus arvensis L. |
| PAF ID | 863701a |