| Classification | Convolvulaceae: Exogonium | 
| Harvard University Herbaria Barcode(s) | 00054448 | 
| Type Status | Holotype | 
| Collector | C. Conzatti | 
| Collector number | 668 | 
| Country | Mexico | 
| State | Oaxaca | 
| Geography | North America: North America (CA, US, MX) (Region): Mexico: Oaxaca | 
| Locality | Cuesta de Chiquihuetlan, 3300 feet | 
| Date Collected | 1895-09-02 | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/6ad61774-968c-441a-a1a4-4261e53baf31 | 
| Harvard University Herbaria Barcode | 00054448 | 
| Herbarium | GH | 
| Family | Convolvulaceae | 
| Type Status | Holotype | 
| Holotype of | Exogonium luteum House | 
| Determination Remarks | [filed under] | 
| Taxon Reference | (for  Exogonium luteum House) Bull. Torrey Bot. Club 1908. 35: 103. | 
| Sex | not determined | 
| Phenology | Flower | 
| Preparation Type | Sheet | 
| Preparation Method | Pressed |