670101 Descurainia sophia (L.) Webb
Distribution
Northern Fennoscandia: Casual (Adventive)
Svalbard - Franz Joseph Land: Casual (Adventive)
Polar Ural - Novaya Zemlya: Persistent (Adventive)
Western Alaska: Casual (Adventive)
Northern Alaska - Yukon: Casual (Adventive)
Western Greenland: Casual (Adventive)
Shrub Tundra: Persistent (Adventive)
Bordering boreal or alpine areas: Persistent (Adventive)
- Webb in Engl. & Prantl, Nat. Pflanzenfam. III, 2: 192 (1891). - Sisymbrium sophia L., Sp. Pl.: 659 (1753). Lectotype (LINN): Europe. Herb. Linn. 836.31 (Jafri 1973: 281).
2n=
(1) 14 (2x). - Siberia (C, S), Asia (C). - At least three reports.
(2) 28 (4x). - Europe, Russia, Siberia, Canada. - Numerous reports.
Tetraploids are widespread, whereas diploids are reported only from Asia.
Geography: European - Asian (W): NOR** RUS* ALA** GRL**.
Notes: Descurainia sophia is reported to be an established adventive in the Vorkuta area in northeastern European Russia, to be casual elsewhere.
Higher Taxa
- Descurainia [6701,genus]