| Classification | Asteraceae |
| Classification 1 | Asteraceae: Eupatorium |
| Classification 2 | Asteraceae: Ageratina |
| Classification 3 | Asteraceae: Eupatorium |
| Harvard University Herbaria Barcode(s) | 00007130 |
| Type Status | Holotype |
| Collector | Fr. G. Arsène |
| Collector number | 6080 |
| Country | Mexico |
| State | Michoacán |
| Geography | North America: North America (CA, US, MX) (Region): Mexico: Michoacán |
| Locality | Vicinity of Morelia, Carrindapaz |
| Date Collected | 1911-11-08 |
| Elevation | 9900 m |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/ec8608cd-b23b-4c9c-afac-3031166ea722 |
| Harvard University Herbaria Barcode | 00007130 |
| Herbarium | GH |
| Family | Asteraceae |
| Determination | Eupatorium Linnaeus |
| Determination Remarks | [is label name] |
| Family | Asteraceae |
| Determination | Eupatorium arsenei B. L. Robinson |
| Determined by | B. L. Robinson |
| Annotation Text | spec. nov. |
| Family | Asteraceae |
| Determination | Ageratina choricephala (B. L. Robinson) R. M. King & H. Robinson |
| Determined by | B. L. Turner (TEX) |
| Date Determined | 1987 |
| Determination Remarks | [is Current name] |
| Family | Asteraceae |
| Type Status | Holotype |
| Holotype of | Eupatorium arsenei B. L. Robinson |
| Verified by | D. E. Boufford (A) |
| Date Determined | 1982 |
| Taxon Reference | (for Eupatorium arsenei B. L. Robinson) Contr. Gray Herb. 1934. 104: 10. |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
