| Name | Ageratum albidum var. nelsonii B. L. Robinson |
| Authorship | B. L. Robinson |
| Rank | Variety |
| NomenclaturalStatus | NomLeg |
| Placed in | Ageratum albidum de Candolle |
| GUID | urn:lsid:ipni.org:names:7075-2 |
| Citation | 1913 Contr. Gray Herb. 42: 471 |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Ageratum albidum var. nelsonii B. L. Robinson |
| Identification made in | [no date] (1), 1967 (1) |