| Name | Ageratum rugosum J. M. Coulter |
| Authorship | J. M. Coulter |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Ageratum Linnaeus |
| Citation | 1895 Bot. Gaz. 20: 42 |
| Holdings | 3 Specimens held in the Harvard University Herbaria identified as Ageratum rugosum J. M. Coulter |
| Identification made in | [no date] (2), 1981 (1) |
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