| Classification | Asteraceae: Senecio |
| Classification 1 | Asteraceae: Cacalia |
| Harvard University Herbaria Barcode(s) | 00066666 |
| Type Status | Holotype |
| Collector | C. G. Pringle |
| Collector number | 4302 |
| Country | Mexico |
| State | México |
| Geography | North America: North America (CA, US, MX) (Region): Mexico: México |
| Locality | Nevado de Toluca, alt. 10-12000 ft. [feet] |
| Date Collected | 1892-09-26 |
| Elevation | 3048 - 3657 m |
| Habitat | In pine woods |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/889c38be-75d1-41bb-b31a-721136bf3e6d |
| Harvard University Herbaria Barcode | 00066666 |
| Herbarium | GH |
| Family | Asteraceae |
| Type Status | Holotype |
| Holotype of | Senecio iodanthus Greenman |
| Verified by | J. L. Villaseñor (RSA) |
| Date Determined | 1991 |
| Taxon Reference | (for Senecio iodanthus Greenman) Ann. Missouri Bot. Gard. 1914. 1: 272. |
| Family | Asteraceae |
| Determination | Senecio iodanthus Greenman |
| Determined by | J. M. G. [J. M. Greenman] |
| Determination Remarks | [current name] |
| Annotation Text | n. sp. |
| Family | Asteraceae |
| Determination | Cacalia prenanthoides Kunth |
| Determination Remarks | [label name] |
| Sex | not determined |
| Phenology | Flower |
| Preparation Type | Sheet |
| Preparation Method | Pressed |