| Classification | Asteraceae: Eupatorium |
| Harvard University Herbaria Barcode(s) | 00007336 |
| Type Status | Holotype |
| Collector | Edw. Palmer |
| Collector number | 1083 |
| Country | Mexico |
| Geography | North America: North America (CA, US, MX) (Region): Mexico |
| Locality | En route from San Luis Potosi to Tampico |
| Date Collected | 1878-12-** - 1879-02-** |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/0f7bf346-1db9-4a2f-af26-cf39cdac9c34 |
| Harvard University Herbaria Barcode | 00007336 |
| Herbarium | GH |
| Family | Asteraceae |
| Type Status | Holotype |
| Holotype of | Eupatorium porphyranthemum A. Gray |
| Verified by | D. E. Boufford (A) |
| Date Determined | 1982 |
| Taxon Reference | (for Eupatorium porphyranthemum A. Gray) Proc. Amer. Acad. Arts 1880. 15: 27. |
| Family | Asteraceae |
| Determination | Eupatorium porphyranthemum A. Gray |
| Determined by | B.L. Turner (TEX) |
| Date Determined | 1987 |
| Determination Remarks | [current name] |
| Family | Asteraceae |
| Determination | Eupatorium porphyranthemum A. Gray |
| Determination Remarks | [label name] |
| Family | Asteraceae |
| Determination | Eupatorium porphyranthemum A. Gray |
| Determined by | B.L. Robinson (GH) |
| Sex | not determined |
| Phenology | Flower |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
