| Classification | Asteraceae: Senecio |
| Classification 1 | Asteraceae: Packera |
| Barcode(s) | 00066668 |
| Type Status | Holotype |
| Collector | C. G. Pringle |
| Collector number | 2894 |
| Country | Mexico |
| State | Nuevo León |
| Geography | North America: North America (CA, US, MX) (Region): Mexico: Nuevo León |
| Locality | Sierra Madre near Monterey |
| Date Collected | 1889-06-01 |
| Container | Plantae Mexicanae |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/9f991b37-5e59-4d4f-8315-add3d619852f |
| Harvard University Herbaria Barcode | 00066668 |
| Herbarium | GH |
| Family | Asteraceae |
| Type Status | Holotype |
| Holotype of | Senecio leonensis Greenman |
| Verified by | Freeman, Craig Carl |
| Date Determined | 1985 |
| Determination Remarks | [filed under] |
| Taxon Reference | (for Senecio leonensis Greenman) Publ. Field Columb. Mus., Bot. Ser. 1907. 2: 276. |
| Family | Asteraceae |
| Determination | Packera coahuilensis (Greenman) C. Jeffrey |
| Determined by | Trock, Debra Kay |
| Date Determined | 2019-01-** |
| Determination Remarks | [current name] |
| Family | Asteraceae |
| Determination | Senecio leonensis Greenman |
| Determined by | [J. M. Greenman (scripsit) W. T. Kittredge, 2019] |
| Date Determined | 1900-05-02 |
| Annotation Text | n. sp. |
| Family | Asteraceae |
| Determination | Senecio sanguisorbae de Candolle |
| Determination Remarks | [label name] |
| Sex | not determined |
| Phenology | Flower |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
