| Name | Eupatorium pycnocephalum var. caucanum B. L. Robinson |
| Authorship | B. L. Robinson |
| Rank | Variety |
| NomenclaturalStatus | NomLeg |
| Placed in | Eupatorium pycnocephalum Lessing |
| GUID | urn:lsid:ipni.org:names:100778-2 |
| Citation | 1926 Contr. Gray Herb. 77: 31 |
| Holdings | 3 Specimens held in the Harvard University Herbaria identified as Eupatorium pycnocephalum var. caucanum B. L. Robinson |
| Identification made in | [no date] (1), 1982 (1), 2008 (1) |