| Name | Zanthoxylum americanum f. impuniens Fassett |
| Authorship | Fassett |
| Rank | Forma |
| NomenclaturalStatus | NomLeg |
| Placed in | Zanthoxylum americanum Miller |
| GUID | urn:lsid:ipni.org:names:270594-2 |
| Citation | 1943 Torreya 42: 180 |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Zanthoxylum americanum f. impuniens Fassett |
| Identification made in | [no date] (1), 2014 (1) |
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