| Salicaceae | |
Populus nigra var. afghanica
| Aitch. & Hemsl. | J. Linn. Soc., Bot. 18: 96 | 1880 |
| Salicaceae | |
Populus nigra subsp. betulifolia
| W. Wettstein | | |
| Salicaceae | |
Populus nigra subsp. betulifolia
| W.Wettst. ex Buttler & Hand | Kochia 2: 46 | 2007 |
| Salicaceae | |
Populus nigra subsp. flexibilis
| Kamelin | | |
| Salicaceae | * |
Populus nigra var. italica
| Koehne | Deut. Dendrol. 81 | 1893 |
| Salicaceae | * |
Populus nigra var. italica
| Du Roi | Harbk. Baumz. 141 | 1772 |
| Salicaceae | |
Populus nigra var. italica
| Münchh. | Hausvater 5(1): 230 | 1770 |
| Salicaceae | |
Populus nigra var. nigra
| | | |
| Salicaceae | |
Populus nigra subsp. pyramidalis
| Čelak. | | |
| Salicaceae | |
Populus nigra var. pyramidalis
| Spach | Ann. Sci. Nat., Bot., sér. 2, 15: 31 | 1841 |
| Salicaceae | |
Populus nigra var. sinensis
| Carrière | Rev. Hort. (Paris) 1867: 340 | 1867 |
| Salicaceae | |
Populus nigra var. thevestina
| (Dode) Bean | Not. Trees & Shrubs 2: 217 | 1914 |