| Classification | Asteraceae: Senecio | 
| Classification 1 | Asteraceae: Packera | 
| Barcode(s) | 00054865 | 
| Type Status | Lectotype,  Holotype | 
| Collector | C. G. Pringle | 
| Collector number | 1922 | 
| Country | Mexico | 
| State | Nuevo León | 
| Geography | North America: North America (CA, US, MX) (Region): Mexico: Nuevo León | 
| Locality | the Sierra Madre near Monterey | 
| Date Collected | 1888-06-27 | 
| Habitat | Dry shaded ledges | 
| Container | Plantae Mexicanae | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/4b7b644c-e380-4271-b677-580047ccf7cc | 
| Harvard University Herbaria Barcode | 00054865 | 
| Herbarium | GH | 
| Family | Asteraceae | 
| Type Status |  Lectotype | 
| Lectotype of |  Senecio montereyanus S. Watson | 
| Verified by | Freeman, Craig Carl | 
| Date Determined | 1985 | 
| Determination Remarks |  [filed under] | 
| Taxon Reference | (for  Senecio montereyanus S. Watson) Proc. Amer. Acad. Arts 1890. 25: 155. | 
| Family | Asteraceae | 
| Type Status |  Holotype | 
| Holotype of |  Senecio montereyanus S. Watson | 
| Verified by | Bates, Vernon M. | 
| Date Determined | 1984 | 
| Taxon Reference | (for  Senecio montereyanus S. Watson) Proc. Amer. Acad. Arts 1890. 25: 155. | 
| Family | Asteraceae | 
| Determination |  Packera montereyana (S. Watson) C. Jeffrey | 
| Determined by | Trock, Debra Kay | 
| Date Determined | 2019-01-** | 
| Determination Remarks |  [current name] | 
| Family | Asteraceae | 
| Determination |  Senecio montereyanus S. Watson | 
| Determined by | Bain, John F. | 
| Date Determined | 1978-12-** | 
| Annotation Text | Type Material | 
| Family | Asteraceae | 
| Determination |  Senecio montereyanus S. Watson | 
| Determination Remarks |  [label name] | 
| Annotation Text | n. sp. | 
| Family | Asteraceae | 
| Determination |  Senecio montereyanus S. Watson | 
| Determined by | Greenman, Jesse More | 
| Sex | not determined | 
| Phenology | Flower | 
| Preparation Type | Sheet | 
| Preparation Method | Pressed |