| Classification | Asteraceae: Eupatorium |
| Barcode(s) | 00007748 |
| Type Status | Holotype |
| Collector | E. Hassler |
| Collector number | 11584 |
| Country | Paraguay |
| Geography | South America: South America (Region) (Region): Paraguay |
| Locality | Paraguaria Centralis: in regione lacus Ypacaray |
| Date Collected | 1913-03-** |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/b0aee19d-4e69-47d6-9c00-86e0b814dc0b |
| Harvard University Herbaria Barcode | 00007748 |
| Herbarium | GH |
| Family | Asteraceae |
| Type Status | Holotype |
| Holotype of | Eupatorium laevigatulum B. L. Robinson |
| Verified by | D. E. Boufford (A) |
| Date Determined | 1982 |
| Taxon Reference | (for Eupatorium laevigatulum B. L. Robinson) Contr. Gray Herb. 1926. 77: 21. |
| Family | Asteraceae |
| Determination | Eupatorium laevigatulum B. L. Robinson |
| Determined by | B. L. Robinson (GH) |
| Determination Remarks | [current name] |
| Annotation Text | spec. nov. |
| Family | Asteraceae |
| Determination | Eupatorium orbignyanum Klatt |
| Determination Remarks | [label name] |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Sheet |
| Preparation Method | Pressed |