| Cirsium arvense (L.) Scop. | |
| Publ. & Syn. | Scop., Fl. Carniol., ed. 2, 2: 126 (1772). - Serratula arvensis L., Sp. Pl.: 820 (1753). Lectotype (LINN): Europe. Herb. Linn. 965.19 (Moore and Frankton 1964: 24). |
| Notes | Korobkov (PAF proposal, comments) accepted Cirsium setosum but this name has been synonymized with C. arvense in western Europe where the plant in question is considered an ecotype or modification. Hultén and Fries (1986) accepted a western European subsp. arvense and an eastern European and Asian subsp. setosum. |
| Chromosomes | (1) 34 34-36 (2x). - Europe, Russia, Siberia, Canada. - Numerous reports, mostly for C. arvense, a few Asian ones for C. setosum. (2) 51 (3x). - Europe (Sweden). - Lövkvist and Hultgård (1999, one locality). (3) 68 (4x). - Europe (Poland, Bulgaria). - Czapik (1958); Kuzmanov et al. (1981, 1991). |
| Geography | European - Asian. |
| Parent taxon | Cirsium Mill. |
| Child taxa |
Cirsium arvense subsp. arvense Cirsium arvense subsp. setosum (Willd.) Iljin |
| PAF ID | 863402 |