| Classification | Asteraceae: Ageratum |
| Harvard University Herbaria Barcode(s) | 00000660 |
| Type Status | Holotype |
| Collector | E. T. Heyde & E. Lux |
| Collector number | 4228 |
| Country | Guatemala |
| State | Santa Rosa |
| Geography | North America: Central America (Region): Guatemala: Santa Rosa |
| Date Collected | 1892 |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/79aa9f9c-810b-4110-959c-af91610b4449 |
| Harvard University Herbaria Barcode | 00000660 |
| Herbarium | GH |
| Family | Asteraceae |
| Type Status | Holotype |
| Holotype of | Ageratum elachycarpum B. L. Robinson |
| Verified by | D. E. Boufford |
| Date Determined | 1981 |
| Taxon Reference | (for Ageratum elachycarpum B. L. Robinson) Contr. Gray Herb. 1913. 42: 477. |
| Family | Asteraceae |
| Type Status | Holotype |
| Holotype of | Ageratum elachycarpum B. L. Robinson |
| Verified by | M. F. Johnson |
| Date Determined | 1967 |
| Taxon Reference | (for Ageratum elachycarpum B. L. Robinson) Contr. Gray Herb. 1913. 42: 477. |
| Family | Asteraceae |
| Determination | Ageratum elachycarpum B. L. Robinson |
| Determined by | B. L. Robinson |
| Determination Remarks | [current name] |
| Family | Asteraceae |
| Determination | Ageratum corymbosum Zuccagni |
| Determination Remarks | [label name] |
| Sex | not determined |
| Phenology | Flower |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
