| Classification | Asteraceae: Eupatorium |
| Classification 1 | Asteraceae: Ageratina |
| Harvard University Herbaria Barcode(s) | 00007234 |
| Type Status | Type, Holotype |
| Collector | C. A. Purpus |
| Collector number | 1496 |
| Country | Mexico |
| State | México |
| Geography | North America: North America (CA, US, MX) (Region): Mexico: México |
| Date Collected | 1905 |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/1e21680a-fc27-4552-8394-cf42b7d9fa7e |
| Harvard University Herbaria Barcode | 00007234 |
| Herbarium | GH |
| Family | Asteraceae |
| Type Status | Type |
| Type of | Eupatorium isolepis B. L. Robinson |
| Verified by | D. E. Boufford (A) |
| Date Determined | 1981 |
| Taxon Reference | (for Eupatorium isolepis B. L. Robinson) Proc. Amer. Acad. Arts 1907. 43: 33. |
| Family | Asteraceae |
| Type Status | Holotype |
| Holotype of | Eupatorium isolepis B. L. Robinson |
| Verified by | R.M. King & H. Robinson |
| Date Determined | 1977 |
| Taxon Reference | (for Eupatorium isolepis B. L. Robinson) Proc. Amer. Acad. Arts 1907. 43: 33. |
| Family | Asteraceae |
| Determination | Ageratina isolepis (B. L. Robinson) King & H. Robinson |
| Determined by | B. L. Turner (TEX) |
| Date Determined | 1987 |
| Determination Remarks | [current name] |
| Family | Asteraceae |
| Determination | Ageratina isolepis (B. L. Robinson) King & H. Robinson |
| Determined by | R.M. King & H. Robinson |
| Date Determined | 1977 |
| Family | Asteraceae |
| Determination | Eupatorium isolepis B. L. Robinson |
| Determined by | B.L. Robinson (GH) |
| Family | Asteraceae |
| Determination | Eupatorium isolepis B. L. Robinson |
| Determination Remarks | [label name] |
| Sex | not determined |
| Phenology | Flower |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
