| Classification | Asteraceae: Tridax | 
| Harvard University Herbaria Barcode(s) | 00013211 | 
| Type Status | Holotype | 
| Collector | Edw. Palmer | 
| Collector number | 285 | 
| 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/a6c69e6e-123f-4aa2-a0da-776dec27e315 | 
| Harvard University Herbaria Barcode | 00013211 | 
| Herbarium | GH | 
| Family | Asteraceae | 
| Type Status | Holotype | 
| Holotype of | Tridax erecta A. Gray | 
| Verified by | V. M. Bates (A/GH) | 
| Date Determined | 1985 | 
| Taxon Reference | (for  Tridax erecta A. Gray) Proc. Amer. Acad. Arts 1886. 21: 390. | 
| Family | Asteraceae | 
| Type Status | Holotype | 
| Holotype of | Tridax erecta A. Gray | 
| Verified by | J. M. Canne (OAC) | 
| Date Determined | 1977 | 
| Taxon Reference | (for  Tridax erecta A. Gray) Proc. Amer. Acad. Arts 1886. 21: 390. | 
| Family | Asteraceae | 
| Determination | Tridax erecta A. Gray | 
| Determined by | A. M. Powell (TEX) | 
| Date Determined | 1963 | 
| Determination Remarks | [current name] | 
| Annotation Text | Holotype | 
| Family | Asteraceae | 
| Determination | Tridax erecta A. Gray | 
| Determination Remarks | [label name] | 
| Annotation Text | n. sp. | 
| Family | Asteraceae | 
| Determination | Tridax erecta A. Gray | 
| Determined by | B. L. Robinson (GH) & J. M. Greenman (GH) | 
| Sex | not determined | 
| Phenology | NotDetermined | 
| Preparation Type | Sheet | 
| Preparation Method | Pressed |