| Name | Sanguinaria canadensis var. rotundifolia (Greene) Fedde |
| Authorship | (Greene) Fedde |
| Rank | Variety |
| Placed in | Sanguinaria canadensis Linnaeus |
| Citation | 1909 Pflanzenr. [Engler] 4(Fam. 104): 205 |
| Holdings | 32 Specimens held in the Harvard University Herbaria identified as Sanguinaria canadensis var. rotundifolia (Greene) Fedde |
| Identification made in | [no date] (32) |