| Classification | Asteraceae: Eupatorium |
| Classification 1 | Asteraceae: Ageratina |
| Barcode(s) | 00007117 |
| Type Status | Holotype |
| Collector | E. W. Nelson |
| Collector number | 304 |
| Country | Mexico |
| Geography | North America: North America (CA, US, MX) (Region): Mexico |
| Locality | Eastern slope of Mt. Orizaba, 5000-7000 feet |
| Date Collected | 1894-03-21 |
| Elevation | 1524 - 2133 m |
| Remarks | = Ageratina aegirophylla (B. L. Robinson) King & Robinson (det. B. L. Turner, 1990). |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/27e52aba-f5af-4282-9276-1b6aaf3c9bc2 |
| Harvard University Herbaria Barcode | 00007117 |
| Herbarium | GH |
| Family | Asteraceae |
| Type Status | Holotype |
| Holotype of | Eupatorium aegirophyllum B. L. Robinson |
| Verified by | D. E. Boufford (A) |
| Date Determined | 1982 |
| Taxon Reference | (for Eupatorium aegirophyllum B. L. Robinson) Proc. Amer. Acad. Arts 1900. 35: 329. |
| Family | Asteraceae |
| Determination | Ageratina aegirophylla (B. L. Robinson) King & Robinson |
| Determined by | B. L. Turner (TEX) |
| Date Determined | 1990 |
| Determination Remarks | [current name] |
| Family | Asteraceae |
| Determination | Eupatorium aegirophyllum B. L. Robinson |
| Determination Remarks | [label name] |
| Annotation Text | n. sp. |
| Family | Asteraceae |
| Determination | Eupatorium aegirophyllum B. L. Robinson |
| Determined by | B. L. Robinson |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
