| Name | Pycnanthemum dubium A. Gray |
| Authorship | A. Gray |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Pycnanthemum |
| GUID | urn:lsid:ipni.org:names:214734-2 |
| Citation | 1842 Amer. J. Sci. ser. 1, 42: 45 |
| Holdings | 3 Specimens held in the Harvard University Herbaria identified as Pycnanthemum dubium A. Gray |
| Identification made in | [no date] (3) |
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