| Classification | Asteraceae: Ageratum |
| Harvard University Herbaria Barcode(s) | 00000645 |
| Type Status | Syntype |
| Collector | Edw. Palmer |
| Collector number | 31 |
| Country | Mexico |
| State | Chihuahua |
| Geography | North America: North America (CA, US, MX) (Region): Mexico: Chihuahua |
| Date Collected | 1885-08-** - 1885-11-** |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/208a2723-13bd-44f6-be8a-ce3524e19bce |
| Harvard University Herbaria Barcode | 00000645 |
| Herbarium | GH |
| Family | Asteraceae |
| Determination | Ageratum corymbosum Zuccagni |
| Determination Remarks | [is label name] |
| Family | Asteraceae |
| Determination | Ageratum corymbosum f. album B. L. Robinson |
| Determined by | B. L. Robinson |
| Family | Asteraceae |
| Determination | Ageratum corymbosum var. longipetiolatum B. L. Robinson |
| Determined by | M. F. Johnson |
| Date Determined | 1967 |
| Determination Remarks | [is Current name] |
| Family | Asteraceae |
| Type Status | Syntype |
| Syntype of | Ageratum corymbosum f. album B. L. Robinson |
| Verified by | D. E. Boufford (A) |
| Date Determined | 1981 |
| Taxon Reference | (for Ageratum corymbosum f. album B. L. Robinson) Contr. Gray Herb. 1913. 42: 475. |
| Sex | not determined |
| Phenology | Flower |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
