| Classification | Asteraceae: Senecio |
| Harvard University Herbaria Barcode(s) | 00066782 |
| Type Status | Holotype |
| Collector | J. Rzedowski |
| Collector number | 208 |
| Country | Mexico |
| Geography | North America: North America (CA, US, MX) (Region): Mexico |
| Locality | Cerro Grande, 8 km al NW de Guadalcázar |
| Georeference | 22.61666667, -100.4 Method: Unknown |
| Date Collected | 1955-09-25 |
| Elevation | 2000 m |
| Habitat | Ladera granítica con vegetación de encinar [granite hillside with oaks] |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/c1a49506-ecee-491a-a7a1-a748f4dac287 |
| Harvard University Herbaria Barcode | 00066782 |
| Herbarium | GH |
| Previous ownership | Ex SLPM |
| Family | Asteraceae |
| Determination | Senecio alvarezensis Greenman |
| Determined by | J. Rzedowski |
| Determination Remarks | [is label name] |
| Family | Asteraceae |
| Determination | Senecio picridis S. Schauer |
| Determined by | B. L. Turner (LL/TEX) |
| Date Determined | 1981 |
| Determination Remarks | [is Current name] |
| Family | Asteraceae |
| Type Status | Holotype |
| Holotype of | Senecio pseudopicridis T. M. Barkley |
| Verified by | T. M. Barkley (KSC) |
| Date Determined | 1989 |
| Taxon Reference | (for Senecio pseudopicridis T. M. Barkley) Phytologia 1989. 67: 244. |
| Sex | not determined |
| Phenology | Flower |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
