| Classification | Asteraceae: Haplopappus | 
| Classification 1 | Asteraceae: Pyrrocoma | 
| Harvard University Herbaria Barcode(s) | 00008704 | 
| Type Status | Holotype | 
| Collector | S. Watson | 
| Collector number | 576 | 
| Country | United States of America | 
| Geography | North America: North America (CA, US, MX) (Region): United States of America | 
| Date Collected | 1868 | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/f58067ef-5d50-441b-ac13-4c7446b29132 | 
| Harvard University Herbaria Barcode | 00008704 | 
| Herbarium | GH | 
| Family | Asteraceae | 
| Type Status | Holotype | 
| Holotype of | Haplopappus tenuicaulis D. C. Eaton | 
| Verified by | D. E. Boufford | 
| Taxon Reference | (for  Haplopappus tenuicaulis D. C. Eaton) Botany [Fortieth Parallel] 1871. 5: 160. | 
| Family | Asteraceae | 
| Determination | Pyrrocoma lanceolata (Hooker) Greene | 
| Determined by | R. A. Mayes | 
| Determination Remarks | [current name] | 
| Sex | not determined | 
| Phenology | NotDetermined | 
| Preparation Type | Sheet | 
| Preparation Method | Pressed |