| Classification | Asteraceae: Ageratum | 
| 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 | 
| 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. | 
| Family | Asteraceae | 
| Determination |  Ageratum corymbosum var. longipetiolatum B. L. Robinson | 
| Determined by | M. F. Johnson | 
| Date Determined | 1967 | 
| Determination Remarks |  [current name] | 
| Family | Asteraceae | 
| Determination |  Ageratum corymbosum Zuccagni | 
| Determination Remarks |  [label name] | 
| Family | Asteraceae | 
| Determination |  Ageratum corymbosum f. album B. L. Robinson | 
| Determined by | B. L. Robinson | 
| Sex | not determined | 
| Phenology | Flower | 
| Preparation Type | Sheet | 
| Preparation Method | Pressed |