| Classification | Asteraceae: Ageratina | 
| Barcode(s) | 01924400 | 
| Collector | E. J. Palmer | 
| Country | United States of America | 
| State | Arkansas | 
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Arkansas: Phillips County | 
| Locality | Crowley's Ridge, near Helena  | 
| Date Collected | 1924-10-20 | 
| Habitat | Moist banks in ravines, loess hills | 
| Project | US and Canada - Mass Digitization | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/f75494fa-3145-4d43-b394-2ab6f4f40d32 | 
| Harvard University Herbaria Barcode | 01924400 | 
| Herbarium | GH | 
| Previous ownership | [ex] Herbarium Missouri Botanical Garden | 
| Family | Asteraceae | 
| Determination |  Ageratina altissima (Linnaeus) R. M. King & H. Robinson | 
| Determined by | Clewell, Andre Francis & Wooten, Jean W. | 
| Date Determined | 1968 | 
| Determination Remarks |  [filed under] [current name] | 
| Sex | not determined | 
| Phenology | NotDetermined | 
| Preparation Type | Sheet | 
| Preparation Method | Pressed |