| Name | Populus trichocarpa var. cupulata S. Watson |
| Authorship | S. Watson |
| Rank | Variety |
| Placed in | Populus trichocarpa Torrey & A. Gray |
| GUID | urn:lsid:ipni.org:names:208352-2 |
| Citation | 1878 Amer. J. Sci. Arts ser. 3, 15: 136 |
| Holdings | 3 Specimens held in the Harvard University Herbaria identified as Populus trichocarpa var. cupulata S. Watson |
| Identification made in | [no date] (1), 1960 (1), 2012 (1) |
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