| Classification | Asteraceae: Ageratum |
| Barcode(s) | 00000663 |
| Type Status | Holotype |
| Collector | G. F. Gaumer |
| Collector number | 395 |
| Country | Mexico |
| State | Yucatán |
| Geography | North America: North America (CA, US, MX) (Region): Mexico: Yucatán: Izamal |
| Remarks | Publication cited as Contr. Gray Herb. 47: 191. 1911, by M. F. Johnson, 1967 |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/ffff09c6-5481-4dd3-b33a-31894b830111 |
| Harvard University Herbaria Barcode | 00000663 |
| Herbarium | GH |
| Family | Asteraceae |
| Type Status | Holotype |
| Holotype of | Ageratum gaumeri B. L. Robinson |
| Verified by | D. E. Boufford |
| Date Determined | 1981 |
| Taxon Reference | (for Ageratum gaumeri B. L. Robinson) Proc. Amer. Acad. Arts 1911. 47: 191. |
| Family | Asteraceae |
| Type Status | Holotype |
| Holotype of | Ageratum guatamalense M. F. Johnson |
| Verified by | M. F. Johnson |
| Date Determined | 1967 |
| Taxon Reference | (for Ageratum guatamalense M. F. Johnson) Ann. Missouri Bot. Gard. 1971. 58: 64. |
| Family | Asteraceae |
| Determination | Ageratum intermedium Hemsley |
| Determination Remarks | [label name] |
| Family | Asteraceae |
| Determination | Ageratum gaumeri B. L. Robinson |
| Determined by | B. L. Robinson |
| Family | Asteraceae |
| Determination | Ageratum intermedium Hemsley |
| Determined by | C. F. Millspaugh |
| Sex | not determined |
| Phenology | Flower |
| Preparation Type | Sheet |
| Preparation Method | Pressed |