| Classification | Asteraceae: Eupatorium |
| Classification 1 | Asteraceae: Ageratina |
| Barcode(s) | 00007271 |
| Type Status | Holotype |
| Collector | J. G. Schaffner |
| Collector number | 351 |
| Country | Mexico |
| State | San Luis Potosà |
| Geography | North America: North America (CA, US, MX) (Region): Mexico: San Luis Potosà |
| Locality | Ravine in montibus frigid: prope S. Miguel |
| Date Collected | 1876-08-** |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/2c97854e-05cf-47bd-9d6a-309a66a03ce7 |
| Harvard University Herbaria Barcode | 00007271 |
| Herbarium | GH |
| Family | Asteraceae |
| Type Status | Holotype |
| Holotype of | Eupatorium mygindaefolium A. Gray |
| Verified by | D. E. Boufford (A) |
| Date Determined | 1981 |
| Determination Remarks | (San Luis Potosi, high mountains near San Miguel, J. G. Schaffner, August 1976) |
| Taxon Reference | (for Eupatorium mygindaefolium A. Gray) Proc. Amer. Acad. Arts 1881. 16: 101. |
| Family | Asteraceae |
| Determination | Ageratina mygindaefolia (A. Gray) King & H. Robinson |
| Determined by | B. L. Turner (TEX) |
| Date Determined | 1987 |
| Determination Remarks | [current name] |
| Family | Asteraceae |
| Determination | Eupatorium mygindaefolium A. Gray |
| Determination Remarks | [label name] |
| Annotation Text | n. sp. |
| Family | Asteraceae |
| Determination | Eupatorium mygindaefolium A. Gray |
| Determined by | B. L. Robinson (GH) |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
| Item Remarks | "Corresponding number of identical material of Schaffner coll. in 1879 and distrib. from Vigener Herb. = 775 (in Hb. Berol.)" pencilled on sheet |