| Classification | Asteraceae: Aphantochaeta | 
| Barcode(s) | 00002295 | 
| Type Status | Holotype | 
| Collector | J. M. Bigelow | 
| Country | United States of America | 
| State | California | 
| Geography | North America: North America (CA, US, MX) (Region): United States of America: California | 
| Locality | Hillsides Napa Valley | 
| Date Collected | 1853-04-25 | 
| Remarks | Shares sheet with two syntypes of Pentachaeta exilis var. discoidea, H. N. Bolander 4540 and 4679, bar code numbers 2293 & 2294. = Pentocheta exilis (A. Gray) A. Gray | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/0cb56260-a77c-4574-8544-b1dd27a67a3d | 
| Harvard University Herbaria Barcode | 00002295 | 
| Herbarium | GH | 
| Family | Asteraceae | 
| Type Status |  Holotype | 
| Holotype of |  Aphantochaeta exilis A. Gray | 
| Verified by | D. E. Boufford | 
| Determination Remarks |  [filed under] | 
| Taxon Reference | (for  Aphantochaeta exilis A. Gray) Pacific Railr. Rep. 4, Pt. 5, No. 4 (Whipple) 1857. 99. | 
| Sex | not determined | 
| Phenology | NotDetermined | 
| Preparation Type | Sheet | 
| Preparation Method | Pressed |