| Classification | Asteraceae: Ageratum |
| Harvard University Herbaria Barcode(s) | 00000642 |
| Type Status | Holotype |
| Collector | Brother Gerfroy-Arsène |
| Country | Mexico |
| Geography | North America: North America (CA, US, MX) (Region): Mexico |
| Locality | Cercado, near Monterey |
| Date Collected | 1911-11-12 |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/e71c5189-1b5c-40b9-8d75-9194e931f473 |
| Harvard University Herbaria Barcode | 00000642 |
| Herbarium | GH |
| Family | Asteraceae |
| Type Status | Holotype |
| Holotype of | Ageratum arsenei B. L. Robinson |
| Verified by | D. E. Boufford |
| Date Determined | 1981 |
| Determination Remarks | [is a fragment] |
| Taxon Reference | (for Ageratum arsenei B. L. Robinson) Contr. Gray Herb. 1922. 64: 3. |
| Family | Asteraceae |
| Determination | Ageratum arsenei B. L. Robinson |
| Determination Remarks | [label name] [current name] |
| Sex | not determined |
| Phenology | Flower |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
| Item Remarks | [fragment in packet on sheet; photo of type specimen at Kew also mounted on same sheet] |
