863701a Sonchus arvensis var. arvensis
Distribution
Northern Fennoscandia: Rare
Kanin - Pechora: Casual (Adventive)
Taimyr - Severnaya Zemlya: Casual (Adventive)
Shrub Tundra: Rare
Bordering boreal or alpine areas: Frequent
- Sonchus arvensis var. maritimus Wahlenb., Fl. Suec. 2: 283 (1826). Described from Sweden.
- Sonchus humilis N.I. Orlova, Novosti Sist. Vyssh. Rast. 1964: 344 (1964). Holotype (LE): European Russia: the Murman area, "Peninsula Kolaënsis, in viciniis pagi Tetrino", 04. Aug. 1927, leg. G. Zinserling 876.
2n=
54 (6x). - Europe, Canada. - Numerous reports, e.g., 36 counts from southern Scandinavia.
Geography: European - Asian (W): NOR RUS SIB**.
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.
Higher Taxa
- Sonchus arvensis [863701,species]