| Name | Hydrangea arborescens var. oblonga Torrey & A. Gray |
| Authorship | Torrey & A. Gray |
| Rank | Variety |
| NomenclaturalStatus | NomLeg |
| Placed in | Hydrangea arborescens Linnaeus |
| GUID | urn:lsid:ipni.org:names:125045-2 |
| Citation | 1840 Fl. N. Amer. [Torr. & A. Gray] 1: 591 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Hydrangea arborescens var. oblonga Torrey & A. Gray |
| Identification made in | [no date] (1) |
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