| Classification | Asteraceae: Ageratum |
| Harvard University Herbaria Barcode(s) | 00261714 |
| Type Status | Holotype |
| Collector | Edw. Palmer |
| Collector number | 437 |
| Country | Mexico |
| State | Jalisco |
| Geography | North America: North America (CA, US, MX) (Region): Mexico: Jalisco: Guadalajara |
| Date Collected | 1886-07-** - 1886-10-** |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/a3844cc0-f346-4135-8692-e34b20fd298c |
| Harvard University Herbaria Barcode | 00261714 |
| Herbarium | GH |
| Family | Asteraceae |
| Type Status | Holotype |
| Holotype of | Ageratum platypodum B. L. Robinson |
| Verified by | D. E. Boufford |
| Date Determined | 1981 |
| Taxon Reference | (for Ageratum platypodum B. L. Robinson) Contr. Gray Herb. 1913. 42: 464. |
| Family | Asteraceae |
| Type Status | Holotype |
| Holotype of | Ageratum platypodum B. L. Robinson |
| Verified by | M.F. Johnson |
| Date Determined | 1967 |
| Taxon Reference | (for Ageratum platypodum B. L. Robinson) Contr. Gray Herb. 1913. 42: 464. |
| Family | Asteraceae |
| Determination | Ageratum platypodum B. L. Robinson |
| Determined by | B. L. Robinson |
| Determination Remarks | [current name] |
| Family | Asteraceae |
| Determination | Ageratum conyzoides var. mexicanum (Sims) de Candolle |
| Determination Remarks | [label name] |
| Sex | not determined |
| Phenology | Flower |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
| Item Remarks | [Mixed collection; mounted on same sheet as A. houstonianum (barcode 733)] |