| Name | Hydrangea aspera subsp. sargentiana (Rehder) McClintock |
| Authorship | (Rehder) McClintock |
| Rank | Subspecies |
| NomenclaturalStatus | Unknown |
| Placed in | Hydrangea aspera D. Don |
| Holdings | 4 Specimens held in the Harvard University Herbaria identified as Hydrangea aspera subsp. sargentiana (Rehder) McClintock |
| Identification made in | [no date] (4) |