| Classification | Asteraceae: Porophyllum |
| Harvard University Herbaria Barcode(s) | 00011433 |
| Type Status | Holotype |
| Collector | G. B. Hinton et al. |
| Collector number | 8469 |
| Country | Mexico |
| State | México |
| Geography | North America: North America (CA, US, MX) (Region): Mexico: México: Luvianos |
| Locality | Nanchititla; District Temascaltepec |
| Date Collected | 1935-09-20 |
| Habitat | Cliffs |
| Vernacular Name | papalo quelite |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/66b5a6e9-d13b-441e-8267-3993fe865ebf |
| Harvard University Herbaria Barcode | 00011433 |
| Herbarium | GH |
| Previous ownership | [ex] Herbarium of Geo. B. Hinton |
| Family | Asteraceae |
| Determination | Porophyllum sp. |
| Determination Remarks | [is label name] |
| Family | Asteraceae |
| Determination | Porophyllum warnockii R. R. Johnson |
| Determined by | Johnson, Raymond Roy |
| Date Determined | 1964-05-** |
| Annotation Text | Holotype |
| Family | Asteraceae |
| Type Status | Holotype |
| Holotype of | Porophyllum warnockii R. R. Johnson |
| Verified by | Brach, Anthony Robert |
| Date Determined | 2014 |
| Determination Remarks | [is filed under name] |
| Taxon Reference | (for Porophyllum warnockii R. R. Johnson) Brittonia 1966. 18: 96. |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
