| Classification | Asteraceae: Senecio | 
| Classification 1 | Asteraceae: Packera | 
| Harvard University Herbaria Barcode(s) | 00066660 | 
| Type Status | Holotype | 
| Collector | C. F. L. C. Ervendberg | 
| Collector number | 90 | 
| Country | Mexico | 
| State | Veracruz | 
| Geography | North America: North America (CA, US, MX) (Region): Mexico: Veracruz | 
| Locality | Wartenberg, near Tantoyuca, prov. Huasteca | 
| Date Collected | 1858-10-** | 
| Habitat | Upon cultivated lands and near houses | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/ece64cd0-f7f4-41a0-9cb6-38c747626845 | 
| Harvard University Herbaria Barcode | 00066660 | 
| Herbarium | GH | 
| Family | Asteraceae | 
| Type Status | Holotype | 
| Holotype of | Senecio ervendbergii Greenman | 
| Verified by | Freeman, Craig Carl | 
| Date Determined | 1985 | 
| Determination Remarks | [filed under] | 
| Taxon Reference | (for  Senecio ervendbergii Greenman) Publ. Field Columb. Mus., Bot. Ser. 1907. 2: 275. | 
| Family | Asteraceae | 
| Determination | Packera tampicana (de Candolle) C. Jeffrey | 
| Determined by | Trock, Debra Kay | 
| Date Determined | 2019-02-** | 
| Determination Remarks | [current name] | 
| Family | Asteraceae | 
| Determination | Senecio tampicanus de Candolle | 
| Determined by | Bain, John F. | 
| Date Determined | 1978-12-** | 
| Family | Asteraceae | 
| Determination | Senecio ervendbergii Greenman | 
| Determined by | Bain, John F. | 
| Date Determined | 1978-12-** | 
| Family | Asteraceae | 
| Determination | Senecio tampicanus de Candolle | 
| Determined by | Greenman, Jesse More | 
| Date Determined | 1915-09-** | 
| Family | Asteraceae | 
| Determination | Senecio ervendbergii Greenman | 
| Determined by | Greenman, Jesse More | 
| Date Determined | 1900-05-03 | 
| Annotation Text | n. sp. | 
| Family | Asteraceae | 
| Determination | Compare Senecio tampicanus de Candolle | 
| Determined by | [A. Gray (scripsit) W. T. Kittredge, 2019] | 
| Determination Remarks | [label name] | 
| Annotation Text | cf. S. Tampicanus DC.? | 
| Family | Asteraceae | 
| Determination | Senecio lobatus Persoon | 
| Determined by | [A. Gray (scripsit) W. T. Kittredge, 2019] | 
| Determination Remarks | [label name] | 
| Sex | not determined | 
| Phenology | Fruit | 
| Preparation Type | Sheet | 
| Preparation Method | Pressed |