| Classification | Asteraceae: Parthenium |
| Harvard University Herbaria Barcode(s) | 00010906 |
| Type Status | Isotype |
| Collector | A. Rivera |
| Collector number | Rz 8526a |
| Country | Mexico |
| State | San Luis Potosí |
| Geography | North America: North America (CA, US, MX) (Region): Mexico: San Luis Potosí |
| Locality | ±2 Km al este de Santa Ana Pozos, Municipio de Guadalcázar |
| Date Collected | 1956-11-20 |
| Elevation | 1600 m |
| Habitat | Ladera caliza con vegetación de matorral de Yucca carnerosana |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/08df9654-14b4-42f6-8871-d2ea8eabe52f |
| Harvard University Herbaria Barcode | 00010906 |
| Herbarium | GH |
| Previous ownership | Ex ENCB |
| Family | Asteraceae |
| Determination | Parthenium rollinsianum Rzedowski |
| Determined by | J. Rzedowski |
| Determination Remarks | [is label name] |
| Annotation Text | Isotipo |
| Family | Asteraceae |
| Type Status | Isotype |
| Isotype of | Parthenium rollinsianum Rzedowski |
| Verified by | V. M. Bates (A/GH) |
| Date Determined | 1983 |
| Taxon Reference | (for Parthenium rollinsianum Rzedowski) Ciencia (Mexico) 1959. 19: 83. |
| Sex | not determined |
| Phenology | Fruit |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
