| Classification | Asteraceae: Eupatorium |
| Classification 1 | Asteraceae: Decachaeta |
| Harvard University Herbaria Barcode(s) | 00007325 |
| Type Status | Holotype |
| Collector | Eug. Langlassé |
| Collector number | 565 |
| Country | Mexico |
| Geography | North America: North America (CA, US, MX) (Region): Mexico |
| Locality | Sierra Madre of Michoacan and Guerrero |
| Date Collected | 1898-11-04 |
| Elevation | 1200 m |
| Substrate | Sol granitique. [Granitic soil] |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/30d54d42-a87a-4723-b4a2-8d10b0f1d40f |
| Harvard University Herbaria Barcode | 00007325 |
| Herbarium | GH |
| Family | Asteraceae |
| Type Status | Holotype |
| Holotype of | Eupatorium petraeum B. L. Robinson |
| Verified by | D.E. Boufford (A) |
| Date Determined | 1981 |
| Taxon Reference | (for Eupatorium petraeum B. L. Robinson) Proc. Amer. Acad. Arts 1906. 41: 275. |
| Family | Asteraceae |
| Determination | Decachaeta scabrella (Robinson) King & H. Robinson |
| Determined by | R.M. King & H. Robinson |
| Date Determined | 1968 |
| Determination Remarks | [current name] |
| Family | Asteraceae |
| Determination | Eupatorium petraeum B. L. Robinson |
| Determination Remarks | [label name] |
| Family | Asteraceae |
| Determination | Eupatorium petraeum B. L. Robinson |
| Determined by | B.L. Robinson (GH) |
| Sex | not determined |
| Phenology | Flower |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
