| Classification | Asteraceae: Senecio |
| Barcode(s) | 00066597 |
| Type Status | Isotype |
| Collector | A. J. Cronquist |
| Collector number | 10539 |
| Country | Mexico |
| State | Durango |
| Geography | North America: North America (CA, US, MX) (Region): Mexico: Durango |
| Locality | Atop the Sierra Madre Occidental, 13.5 miles west-southwest of El Salto. 8,900 feet. |
| Date Collected | 1965-11-14 |
| Elevation | 2712 m |
| Habitat | Open places in pine woods in felsitic region |
| Remarks | See also 10540, with leaves of 10539 and pubescence of 10541 |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/bdab3a45-3a2f-4829-9518-4fd8ed78eef0 |
| Harvard University Herbaria Barcode | 00066597 |
| Herbarium | GH |
| Previous ownership | Ex NY |
| Family | Asteraceae |
| Type Status | Isotype |
| Isotype of | Senecio durangensis var. atrapiculatus T. M. Barkley |
| Verified by | T. M. Barkley (KSC) |
| Date Determined | 1998 |
| Taxon Reference | (for Senecio durangensis var. atrapiculatus T. M. Barkley) Phytologia 1990. 69: 146, fig. 5. |
| Family | Asteraceae |
| Determination | Senecio flaccidus Lessing |
| Determination Remarks | [label name] |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
