| Classification | Asteraceae: Ageratum |
| Harvard University Herbaria Barcode(s) | 00000739 |
| Type Status | Holotype |
| Collector | E. W. Nelson |
| Collector number | 991 |
| Country | Mexico |
| State | Oaxaca |
| Geography | North America: North America (CA, US, MX) (Region): Mexico: Oaxaca |
| Locality | Vicinity of La Parada, 7500-8500 ft. |
| Date Collected | 1894-08-19 |
| Elevation | 2286 - 2590 m |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/700a857d-5781-4b95-990c-997def50f5e0 |
| Harvard University Herbaria Barcode | 00000739 |
| Herbarium | GH |
| Family | Asteraceae |
| Type Status | Holotype |
| Holotype of | Ageratum stachyofolium B. L. Robinson |
| Verified by | D. E. Boufford |
| Date Determined | 1981 |
| Taxon Reference | (for Ageratum stachyofolium B. L. Robinson) Proc. Amer. Acad. Arts 1901. 36: 476. |
| Family | Asteraceae |
| Type Status | Holotype |
| Holotype of | Ageratum stachyofolium B. L. Robinson |
| Verified by | M. F. Johnson |
| Date Determined | 1967 |
| Taxon Reference | (for Ageratum stachyofolium B. L. Robinson) Proc. Amer. Acad. Arts 1901. 36: 476. |
| Family | Asteraceae |
| Determination | Ageratum stachyofolium B. L. Robinson |
| Determined by | B. L. Robinson |
| Determination Remarks | [current name] |
| Family | Asteraceae |
| Determination | Ageratum stachyofolium B. L. Robinson |
| Determination Remarks | [label name] |
| Sex | not determined |
| Phenology | Flower |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
