| Classification | Asteraceae: Senecio |
| Harvard University Herbaria Barcode(s) | 00066451 |
| Type Status | Holotype |
| Collector | J. G. Schaffner |
| Collector number | 280 |
| Country | Mexico |
| State | San Luis Potosí |
| Geography | North America: North America (CA, US, MX) (Region): Mexico: San Luis Potosí |
| Locality | Valley of San Luis Potosí, in mountains near San Miguelita. |
| Date Collected | 1876-09-** |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/390382e9-79c2-4ee1-af2e-b79c06292adc |
| Harvard University Herbaria Barcode | 00066451 |
| Herbarium | GH |
| Previous ownership | Ex Herbario de J. G. Schaffner |
| Family | Asteraceae |
| Type Status | Holotype |
| Holotype of | Senecio heterodontus Greenman |
| Verified by | Harvard University Herbaria LAPI Team |
| Date Determined | 2008-07-15 |
| Determination Remarks | "Schaffner 280 (hb. Gray)" noted on label |
| Taxon Reference | (for Senecio heterodontus Greenman) Publ. Field Columb. Mus., Bot. Ser. 1907. 2: 227. |
| Family | Asteraceae |
| Determination | Senecio potosinus Greenman |
| Determination Remarks | [current name] |
| Family | Asteraceae |
| Determination | Senecio multidentatus Schultz Bipontinus ex Hemsley |
| Determination Remarks | [label name] |
| Family | Asteraceae |
| Determination | Senecio heterodontus Greenman |
| Determination Remarks | Pencilled on sheet |
| Annotation Text | type |
| Sex | not determined |
| Phenology | Flower |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
