| Papaveraceae |
|
Sanguinaria canadensis
| L. | Sp. Pl. 1: 505 | 1753 |
| Papaveraceae |
|
Sanguinaria canadensis fo. canadensis
| | | |
| Papaveraceae |
|
Sanguinaria canadensis var. canadensis
| | | |
| Papaveraceae |
|
Sanguinaria canadensis fo. colbyorum
| Benke | Rhodora 35(410): 45 | 1933 |
| Papaveraceae |
|
Sanguinaria canadensis fo. multiplex
| (E.H. Wilson) Weath. | Connecticut State Geol. Surv. Bull. 48: 50 | 1931 |
| Papaveraceae |
|
Sanguinaria canadensis var. multiplex
| E.H. Wilson | Gard. Chron., ser. 3 73: 283 | 1923 |
| Papaveraceae |
|
Sanguinaria canadensis var. rotundifolia
| (Greene) Fedde | Pflanzenr. 4(Fam. 104): 205 | 1909 |