| Name | Ageratum conyzoides subsp. latifolium (Cavanilles) M. F. Johnson |
| Authorship | (Cavanilles) M. F. Johnson |
| Rank | Subspecies |
| NomenclaturalStatus | NomLeg |
| Placed in | Ageratum conyzoides Linnaeus |
| GUID | urn:lsid:ipni.org:names:876393-1 |
| Citation | 1971 Ann. Missouri Bot. Gard. 58: 31 |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Ageratum conyzoides subsp. latifolium (Cavanilles) M. F. Johnson |
| Identification made in | 1967 (2) |