| Name | Physocarpus intermedius f. parvifolius Rehder |
| Authorship | Rehder |
| Rank | Forma |
| NomenclaturalStatus | NomLeg |
| Placed in | Physocarpus intermedius C. K. Schneider |
| Citation | 1906 Ill. Handb. Laubholzk. 1(5): 807 |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Physocarpus intermedius f. parvifolius Rehder |
| Identification made in | [no date] (1), 2006 (1) |
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