| Classification | Asteraceae: Eupatorium |
| Barcode(s) | 00007539 |
| Type Status | Holotype |
| Collector | J. Tweedie |
| Collector number | 1285 |
| Country | Brazil |
| Geography | South America: South America (Region) (Region): Brazil |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/dac45eda-ddb8-4ede-9c54-914a534d45cf |
| Harvard University Herbaria Barcode | 00007539 |
| Herbarium | GH |
| Previous ownership | Ex Herb. Hort. Bot. Kew. xii 1921 |
| Family | Asteraceae |
| Type Status | Holotype |
| Holotype of | Eupatorium arnottii Baker |
| Verified by | D. E. Boufford (A) |
| Date Determined | 1982 |
| Determination Remarks | [is a fragment] |
| Taxon Reference | (for Eupatorium arnottii Baker) Fl. Bras. [Martius] 1876. 6(2): 323. |
| Family | Asteraceae |
| Determination | Eupatorium arnottii Baker |
| Determination Remarks | [label name] [current name] |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
| Item Remarks | Holotype fragment and type photo. |