Aster canadensis
| Aster canadensis (Linnaeus) E. H. L. Krause, in Sturm, Deutschl. Fl., ed. 2. 13: 59. 1905, non (Linnaeus) Kuntze 1891. | BASIONYM: Erigeron canadensis Linnaeus 1753. | |
Conyza canadensis var. pusilla
| Conyza canadensis (Linnaeus) Cronquist, var. pusilla (Nuttall) Cronquist, Bull. Torrey Bot. Club 74: 150. 1947. | BASIONYM: Erigeron pusillus Nuttall 1818. | |
Conyza parva
| Conyza parva Cronquist, Bull. Torrey Bot. Club 70: 632. 1943. | BASIONYM: Erigeron pusillus Nuttall 1818. | |
Conyzella canadensis
| Conyzella canadensis (Linnaeus) Ruprecht, Mém. Acad. Imp. Sci. Saint Petersbourg, ser. 7. 14(4): 51. 1869. | BASIONYM: Erigeron canadensis Linnaeus 1753. | |
Erigeron canadensis
| Erigeron canadensis Linnaeus, Sp. Pl. 863. 1753. | | TYPE: Without data (lectotype: LINN 994.10). Lectotypified by D'Arcy, in Woodson & Schery, Ann. Missouri Bot. Gard. 62: 1022. 1975. |
Erigeron canadensis var. pusillus
| Erigeron canadensis Linnaeus, var. pusillus (Nuttall) B. Boivin, Phytologia 23: 55. 1972. | BASIONYM: Erigeron pusillus Nuttall 1818. | |
Erigeron paniculatus
| Erigeron paniculatus Lamarck, Fl. Franc. 2: 141. 1779 ("1778"), nom. illegit. | BASIONYM: Erigeron canadensis Linnaeus 1753. | |
Erigeron pusillus
| Erigeron pusillus Nuttall, Gen. N. Amer. Pl. 2: 148. 1818. | | TYPE: NEW JERSEY/PENNSYLVANIA: |
Erigeron ruderale
| Erigeron ruderale Salisbury, Prodr. Stirp. Chap. Allerton 195. 1796, nom. illegit. | BASIONYM: Erigeron canadensis Linnaeus 1753. | |
Leptilon canadense
| Leptilon canadense (Linnaeus) Britton, in Britton & A. Brown, Ill. Fl. N. U.S. 3: 391. 1898. | BASIONYM: Erigeron canadensis Linnaeus 1753. | |
Leptilon canadense var. pusillum
| Leptilon canadense (Linnaeus) Britton, var. pusillum (Nuttall) Daniels, Univ. Missouri Stud., Sci. Ser. 2(2): 239. 1911. | BASIONYM: Erigeron pusillus Nuttall 1818. | |
Leptilon pusillum
| Leptilon pusillum (Nuttall) Britton, Torreya 14: 198. 1914. | BASIONYM: Erigeron pusillus Nuttall 1818. | |
Marsea canadensis
| Marsea canadensis (Linnaeus) V. M. Badillo, Bol. Soc. Venez. Ci. Nat. 10: 256. 1946. | Marsea canadensis (Linnaeus) V. M. Badillo, Bol. Soc. Venez. Ci. Nat. 10: 256. 1946. | |
Tessenia canadensis
| Tessenia canadensis (Linnaeus) Bubani, Fl. Pyren. 2: 267. 1899. | BASIONYM: Erigeron canadensis Linnaeus 1753. | |
Conyza bilbaoana
| Conyza bilbaoana Remy, in Gay, Fl. Chil. 4: 76. 1849. | | TYPE: CHILE: |
Conyza canadensis var. glabrata
| Conyza canadensis (Linnaeus) Cronquist, var. glabrata (A. Gray) Cronquist, Bull. Torrey Bot. Club 74: 150. 1947. | BASIONYM: Erigeron canadensis Linnaeus, var. glabratus A. Gray 1850. | |
Conyza myriocephala
| Conyza myriocephala Remy, in Gay, Fl. Chil. 4: 76. 1849. | | TYPE: CHILE: |
Erigeron canadensis forma coloratus
| Erigeron canadensis Linnaeus, forma coloratus Fassett, Rhodora 31: 53. 1929. | | TYPE: WISCONSIN: Dane Co.: Roxbury, 29 Sep 1928, Fassett 7547 (holotype: WIS). |
Erigeron canadensis var. glabratus
| Erigeron canadensis Linnaeus, var. glabratus A. Gray, Boston J. Nat. Hist. 6: 220. 1850. | | TYPE: TEXAS: N of the Llano, s.d., Lindheimer 626 (holotype: GH). |
Erigeron setifer
| Erigeron setifer Post ex Boissier, Diagn. Pl. Orient., Suppl. 289. 1888. | | |