Belharnosia canadensis
| Belharnosia canadensis (Linnaeus) Nieuwland, Amer. Midl. Naturalist 3: 350. 1914. | BASIONYM: Sanguinaria canadensis Linnaeus 1753. | |
Sanguinaria acaulis
| Sanguinaria acaulis Moench, Methodus 227. 1794, nom. illegit. | BASIONYM: Sanguinaria canadensis Linnaeus 1753. | |
Sanguinaria canadensis var. stenopetala
| Sanguinaria canadensis Linnaeus, var. stenopetala Pursh, Fl. Amer. Sept. 366. 1814. | | |
Sanguinaria vernalis
| Sanguinaria vernalis Salisbury, Prodr. Stirp. Chap. Allerton 376. 1796, nom. illegit. | BASIONYM: Sanguinaria canadensis Linnaeus 1753. | |
Belharnosia mesochora
| Belharnosia mesochora (Greene) Nieuwland, Amer. Midl. Naturalist 3: 350. 1914. | BASIONYM: Sanguinaria mesochora Greene 1905. | |
Sanguinaria australis
| Sanguinaria australis Greene, Pittonia 5: 307. 1905. | | TYPE: ALABAMA/SOUTH CAROLINA: |
Sanguinaria canadensis forma colbyorum
| Sanguinaria canadensis Linnaeus, forma colbyorum Benke, Rhodora 35: 45. 1933. | | TYPE: ILLINOIS: McHenry Co.: Crystal Lake, 1 May 1932, Colby s.n. (holotype: F). |
Sanguinaria canadensis forma incarnata
| Sanguinaria canadensis Linnaeus, forma incarnata Farwell, Pap. Michigan Acad. Sci. 26: 12. 1941. | | TYPE: MICHIGAN: Wayne Co.: Melvindale, 2 May, 23 May 1931, Farwell 9377 (lectotype: BLH). Lectotypfied by McVaugh et al., Cranbrook Inst. Sci. Bull. 34: 66. 1953. |
Sanguinaria canadensis forma multiplex
| Sanguinaria canadensis Linnaeus, forma multiplex (E. H. Wilson) Weatherby, Bull. Connecticut State Geol. Nat. Hist. Surv. 48: 50. 1931. | BASIONYM: Sanguinaria canadensis Linnaeus, var. multiplex E. H. Wilson 1923. | |
Sanguinaria canadensis var. australis
| Sanguinaria canadensis Linnaeus, var. australis (Greene) Fedde, in Engler, Pflanzenr. 4(Heft 40): 204. 1909. | BASIONYM: Sanguinaria australis Greene 1905. | |
Sanguinaria canadensis var. dilleniana
| Sanguinaria canadensis Linnaeus, var. dilleniana (Greene) Fedde, in Engler, Pflanzenr. 4(Heft 40): 204. 1909. | BASIONYM: Sanguinaria dilleniana Greene 1905. | |
Sanguinaria canadensis var. mesochora
| Sanguinaria canadensis Linnaeus, var. mesochora (Greene) Fedde, in Engler, Pflanzenr. 4(Heft 40): 206. 1909. | BASIONYM: Sanguinaria mesochora Greene 1905. | |
Sanguinaria canadensis var. multiplex
| Sanguinaria canadensis Linnaeus, var. multiplex E. H. Wilson, Gard. Chron., ser. 3. 3: 283. 1923. | | |
Sanguinaria canadensis var. rotundifolia
| Sanguinaria canadensis Linnaeus, var. rotundifolia (Greene) Fedde, in Engler, Pflanzenr. 4(Heft 40): 206. 1909. | BASIONYM: Sanguinaria rotundifolia Greene 1905. | |
Sanguinaria dilleniana
| Sanguinaria dilleniana Greene, Pittonia 5: 307. 1905. | | |
Sanguinaria grandiflora
| Sanguinaria grandiflora M. Roscoe, Fl. Ill. Seasons t. 8. 1829. | | |
Sanguinaria mesochora
| Sanguinaria mesochora Greene, Pittonia 5: 308. 1905. | | TYPE: MINNESOTA: Winona Co.: Winona, s.d., Holzinger s.n. (holotype: NDG?). |
Sanguinaria rotundifolia
| Sanguinaria rotundifolia Greene, Pittonia 5: 307. 1905. | | TYPE: GEORGIA: Sumter Co.: Americus, 1901, Harper 1146 (holotype: NDG?). |
Sanguinaria virginiana
| Sanguinaria virginiana Gaertner, Fruct. Sem. Pl. 2: 479. 1791. | | |