Asteraceae | * |
Senecio palustris var. congestus
| DC. ex Kom. | Trudy Imp. S.-Peterburgsk. Bot. Sada 25(2): 702 | 1907 |
Asteraceae | ! |
Senecio palustris var. congestus
| (R. Br.) Hook. | Fl. Bor.-Amer. 1: 344 | 1840 [1834] |
Asteraceae | |
Senecio palustris var. laceratus
| Ledeb. | Fl. Ross. [Ledebour] 2: 648 | 1845 |