| Name | Ageratum corymbosum f. lactiflorum B. L. Robinson |
| Authorship | B. L. Robinson |
| Rank | Forma |
| NomenclaturalStatus | NomLeg |
| Placed in | Ageratum corymbosum Zuccagni |
| GUID | urn:lsid:ipni.org:names:7100-2 |
| Citation | 1913 Contr. Gray Herb. 42: 476 |
| Holdings | 3 Specimens held in the Harvard University Herbaria identified as Ageratum corymbosum f. lactiflorum B. L. Robinson |
| Identification made in | 1981 (3) |