| Name | Ageratum guatamalense M. F. Johnson |
| Authorship | M. F. Johnson |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Ageratum Linnaeus |
| Citation | 1971 Ann. Missouri Bot. Gard. 58: 64 |
| Holdings | 3 Specimens held in the Harvard University Herbaria identified as Ageratum guatamalense M. F. Johnson |
| Identification made in | 1967 (1), 1968 (1), 1981 (1) |