| Name | Eupatorium columbianum var. umbratile B. L. Robinson |
| Authorship | B. L. Robinson |
| Rank | Variety |
| NomenclaturalStatus | NomLeg |
| Placed in | Eupatorium columbianum Heering |
| GUID | urn:lsid:ipni.org:names:99746-2 |
| Citation | 1928 Contr. Gray Herb. 80: 17 |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Eupatorium columbianum var. umbratile B. L. Robinson |
| Identification made in | [no date] (1), 1982 (1) |
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