| Classification | Asteraceae: Eupatorium |
| Harvard University Herbaria Barcode(s) | 00007734 |
| Type Status | Holotype |
| Collector | |
| Collector number | 3351 |
| Country | Argentina |
| Geography | South America: South America (Region) (Region): Argentina |
| Locality | Formosa |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/45c5e4b5-8987-4458-92e2-4d44cc833be4 |
| Harvard University Herbaria Barcode | 00007734 |
| Herbarium | GH |
| Family | Asteraceae |
| Determination | Eupatorium congestum Hooker & Arnott |
| Determination Remarks | [is label name] |
| Family | Asteraceae |
| Determination | Eupatorium ivaefolium var. perturbinatum B. L. Robinson |
| Determined by | B.L. Robinson (GH) |
| Determination Remarks | [is Current name] |
| Family | Asteraceae |
| Type Status | Holotype |
| Holotype of | Eupatorium ivaefolium var. perturbinatum B. L. Robinson |
| Verified by | D. E. Boufford (A) |
| Date Determined | 1982 |
| Taxon Reference | (for Eupatorium ivaefolium var. perturbinatum B. L. Robinson) Contr. Gray Herb. 1928. 80: 23. |
| Sex | not determined |
| Phenology | Flower |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
