| Asteraceae | |
Eupatorium maculatum var. amoenum
| (Pursh) Britton | Mem. Torrey Bot. Club 5(20): 312 | 1894 |
| Asteraceae | |
Eupatorium maculatum fo. anomalum
| Vict. | Naturaliste Canad. 71: 208 | 1944 |
| Asteraceae | |
Eupatorium maculatum subsp. bruneri
| (A. Gray) G.W. Douglas | Canad. J. Bot. 64(11): 2726 | 1986 |
| Asteraceae | |
Eupatorium maculatum var. bruneri
| (A. Gray) Breitung | Canad. Field-Naturalist 61(3): 98 | 1947 |
| Asteraceae | |
Eupatorium maculatum fo. faxonii
| Fernald | Rhodora 47(558): 195 | 1945 |
| Asteraceae | |
Eupatorium maculatum var. foliosum
| (Fernald) Wiegand | Rhodora 22(256): 66 | 1920 |
| Asteraceae | |
Eupatorium maculatum fo. maculatum
| | | |
| Asteraceae | |
Eupatorium maculatum subsp. maculatum
| | | |
| Asteraceae | |
Eupatorium maculatum var. maculatum
| | | |
| Asteraceae | |
Eupatorium maculatum fo. tegulosum
| B. Boivin | Svensk Bot. Tidskr. 53(4): 431 | 1959 [1960] |