| Classification | Asteraceae: Eupatorium |
| Classification 1 | Asteraceae: Ageratina |
| Harvard University Herbaria Barcode(s) | 00007342 |
| Type Status | Type |
| Collector | E. W. Nelson |
| Collector number | 6499 |
| Country | Mexico |
| State | Chihuahua |
| Geography | North America: North America (CA, US, MX) (Region): Mexico: Chihuahua |
| Locality | Sierra Madre |
| Date Collected | 1899-09-29 |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/3cb05d43-113a-49ca-bcd3-a38cf3d4887d |
| Harvard University Herbaria Barcode | 00007342 |
| Herbarium | GH |
| Family | Asteraceae |
| Type Status | Type |
| Type of | Eupatorium prionobium B. L. Robinson |
| Verified by | D. E. Boufford (A) |
| Date Determined | 1982 |
| Taxon Reference | (for Eupatorium prionobium B. L. Robinson) Proc. Amer. Acad. Arts 1901. 36: 483. |
| Family | Asteraceae |
| Determination | Ageratina herbacea (A. Gray) King & H. Robinson |
| Determined by | B. L. Turner (TEX) |
| Date Determined | 1987 |
| Determination Remarks | [current name] |
| Family | Asteraceae |
| Determination | Eupatorium prionobium B. L. Robinson |
| Determination Remarks | [label name] |
| Family | Asteraceae |
| Determination | Eupatorium prionobium B. L. Robinson |
| Determined by | B.L. Robinson (GH) |
| Sex | not determined |
| Phenology | Flower |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
