| Salicaceae | |
Populus trichocarpa var. cupulata
| S. Watson | Amer. J. Sci. Arts 115: 136 | 1878 |
| Salicaceae | |
Populus trichocarpa subsp. hastata
| (Dode) Dode | Bull. Soc. Dendrol. France 44: 80 | 1922 |
| Salicaceae | |
Populus trichocarpa var. hastata
| (Dode) A. Henry | Trees Great Britain 7: 1837 | 1913 |
| Salicaceae | |
Populus trichocarpa fo. ingrata
| Jeps. | Fl. Calif. 1: 346 | 1909 |
| Salicaceae | |
Populus trichocarpa var. ingrata
| (Jeps.) Parish | Pl. World 20(7): 210 | 1917 |
| Salicaceae | |
Populus trichocarpa var. trichocarpa
| | | |