| Classification | Asteraceae: Ageratina |
| Classification 1 | Asteraceae: Eupatorium |
| Barcode(s) | 00549675 |
| Type Status | Isotype |
| Collector | A. J. Cronquist & M. Sousa S. |
| Collector number | 10542 |
| Country | Mexico |
| State | Durango |
| Geography | North America: North America (CA, US, MX) (Region): Mexico: Durango |
| Locality | on the west slope of the Sierra Madre Occidental, 36 miles west-southwest of El Salto, and 26 miles northeast of El Palmito |
| Date Collected | 1965-11-14 |
| Elevation | 2621 m |
| Verbatim Elevation | 8600 feet |
| Habitat | Open banks and cliff-crevices of felsitic rock in pine forest community |
| Container | Plants of Mexico |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/7fd2ead7-9162-4ffe-abc4-bbd4fd8e3c36 |
| Harvard University Herbaria Barcode | 00549675 |
| Herbarium | GH |
| Previous ownership | [Ex] Herbarium of the New York Botranical Garden |
| Family | Asteraceae |
| Type Status | Isotype |
| Isotype of | Ageratina cronquistii King & H. Robinson |
| Verified by | Kittredge, Walter Tobey |
| Date Determined | 2015 |
| Determination Remarks | [filed under] |
| Annotation Text | Holotype: (US) |
| Taxon Reference | (for Ageratina cronquistii King & H. Robinson) Phytologia 1978. 38(4): 334. |
| Family | Asteraceae |
| Determination | Ageratina cronquistii King & H. Robinson |
| Determined by | Turner, Billie Lee |
| Date Determined | 1987 |
| Determination Remarks | [current name] |
| Family | Asteraceae |
| Determination | Affine Eupatorium collodes B. L. Robinson & Greenman |
| Determination Remarks | [label name] |
| Phenology | Flower |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
