| Asteraceae | |
Cirsium arvense fo. albiflorum
| (E.L. Rand & Redfield) Ralph Hoffm. | Proc. Boston Soc. Nat. Hist. 36(5): 340 | 1922 |
| Asteraceae | * |
Cirsium arvense fo. albiflorum
| Kitag. | Rep. Inst. Sci. Res. Manch. 1: 319 | 1937 |
| Asteraceae | * |
Cirsium arvense fo. albiflorum
| House | New York State Mus. Bull. 243–244: 22 | 1923 |
| Asteraceae | ! |
Cirsium arvense var. alpestre
| Nägeli | Neue Denkschr. Allg. Schweiz. Ges. Gesammten Naturwiss. 5(1): 104 | 1840 |
| Asteraceae | |
Cirsium arvense var. argenteum
| (Peyer ex Vest) Fiori | Fl. Italia 3(2): 368 | 1904 |
| Asteraceae | |
Cirsium arvense fo. arvense
| | | |
| Asteraceae | ! |
Cirsium arvense var. arvense
| | | |
| Asteraceae | |
Cirsium arvense var. horridum
| Wimm. & Grab. | Fl. Siles. 2(2): 82 | 1829 |
| Asteraceae | |
Cirsium arvense var. incanum
| (S.G. Gmel.) Ledeb. | Fl. Ross. [Ledebour] 2: 735 | 1845 |
| Asteraceae | ! |
Cirsium arvense var. integrifolium
| Wimm. & Grab. | Fl. Siles. 2(2): 92 | 1829 |
| Asteraceae | |
Cirsium arvense var. mite
| Wimm. & Grab. | Fl. Siles. 2(2): 82 | 1829 |
| Asteraceae | |
Cirsium arvense fo. rubricaule
| Lepage | Naturaliste Canad. 89(2): 79 | 1962 |
| Asteraceae | |
Cirsium arvense var. setosum
| (Willd.) C.A. Mey. | | * |
| Asteraceae | |
Cirsium arvense var. subulatum
| (Ledeb.) Ledeb. | Fl. Ross. [Ledebour] 2: 735 | 1845 |
| Asteraceae | ! |
Cirsium arvense var. vestitum
| Wimm. & Grab. | Fl. Siles. 2(2): 92 ["82"] | 1829 |