| Name | Populus fremontii var. thornberi Sargent |
| Authorship | Sargent |
| Rank | Variety |
| NomenclaturalStatus | NomLeg |
| Placed in | Populus fremontii S. Watson |
| Citation | 1919 Bot. Gaz. 67: 213 |
| Holdings | 3 Specimens held in the Harvard University Herbaria identified as Populus fremontii var. thornberi Sargent |
| Identification made in | [no date] (3) |
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