| Rosaceae |
|
Sorbus americana
| Marshall | Arbust. Amer. 145 | 1785 |
| Rosaceae |
|
Sorbus americana var. decora
| (Sarg.) Sarg. | Man. Trees 357 | 1905 |
| Rosaceae |
|
Sorbus americana var. groenlandica
| C.K. Schneid. | Bull. Herb. Boissier, sér. 2, 6: 314 | 1906 |
| Rosaceae |
|
Sorbus americana var. microcarpa
| (Pursh) Wenz. | Linnaea 38: 73 | 1874 |
| Rosaceae |
|
Sorbus americana var. sitchensis
| (M. Roem.) Sudw. | Checklist of Forest Trees of U.S. 133 | 1927 |