| Classification | Asteraceae: Pyrrhopappus |
| Harvard University Herbaria Barcode(s) | 00011555 |
| Type Status | Holotype |
| Collector | J. T. Rothrock |
| Collector number | 699 |
| Country | United States of America |
| State | Arizona |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Arizona |
| Locality | Fisch's Ranch |
| Date Collected | 1874-09-** |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/980610e4-29e6-4df8-ab2e-125a86f529aa |
| Harvard University Herbaria Barcode | 00011555 |
| Herbarium | GH |
| Family | Asteraceae |
| Type Status | Holotype |
| Holotype of | Pyrrhopappus rothrockii A. Gray |
| Verified by | D. Northington |
| Determination Remarks | [filed under] |
| Taxon Reference | (for Pyrrhopappus rothrockii A. Gray) Proc. Amer. Acad. Arts 1876. 11: 80. |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Sheet |
| Preparation Method | Pressed |