| Name | Populus balsamifera subsp. trichocarpa (Torrey & A. Gray) Brayshaw |
| Authorship | (Torrey & A. Gray) Brayshaw |
| Rank | Subspecies |
| Placed in | Populus balsamifera Linnaeus |
| Holdings | 90 Specimens held in the Harvard University Herbaria identified as Populus balsamifera subsp. trichocarpa (Torrey & A. Gray) Brayshaw |
| Identification made in | [no date] (90) |