| Classification | Asteraceae: Eupatorium |
| Classification 1 | Asteraceae |
| Classification 2 | Asteraceae: Ageratina |
| Classification 3 | Asteraceae: Eupatorium |
| Harvard University Herbaria Barcode(s) | 00007192 |
| Type Status | Isotype, Type |
| Collector | C. A. Purpus |
| Collector number | 1578 |
| Country | Mexico |
| Geography | North America: Mexico and Central America (Region): Mexico |
| Locality | Ixtaccihuatl |
| Date Collected | 1906-03-** |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/b1235461-3d18-4d47-b632-c459522065d7 |
| Harvard University Herbaria Barcode | 00007192 |
| Herbarium | GH |
| Family | Asteraceae |
| Determination | Eupatorium erythrocomum B. L. Robinson |
| Determined by | B.L. Robinson (GH) |
| Family | Asteraceae |
| Determination | Eupatorium Linnaeus |
| Determination Remarks | [is label name] |
| Family | Asteraceae |
| Determination | Ageratina oligocephala (de Candolle) King & H. Robinson |
| Determined by | B. L. Turner (TEX) |
| Date Determined | 1987 |
| Determination Remarks | [is Current name] |
| Family | Asteraceae |
| Type Status | Isotype |
| Isotype of | Eupatorium erythrocomum B. L. Robinson |
| Verified by | B. L. Turner (TEX) |
| Date Determined | 1987 |
| Taxon Reference | (for Eupatorium erythrocomum B. L. Robinson) Proc. Amer. Acad. Arts 1907. 43: 31. |
| Family | Asteraceae |
| Type Status | Type |
| Type of | Eupatorium erythrocomum B. L. Robinson |
| Verified by | D.E. Boufford (A) |
| Date Determined | 1981 |
| Taxon Reference | (for Eupatorium erythrocomum B. L. Robinson) Proc. Amer. Acad. Arts 1907. 43: 31. |
| Sex | not determined |
| Phenology | Flower |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
