| Classification | Apiaceae: Sphenosciadium | 
| Harvard University Herbaria Barcode(s) | 00077819 | 
| Type Status | Holotype | 
| Collector | W. H. Brewer | 
| Collector number | 2026 | 
| Country | United States of America | 
| State | California | 
| Geography | North America: North America (CA, US, MX) (Region): United States of America: California | 
| Locality | Near Ebbets Pass | 
| Date Collected | 1863-08-03 | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/75ec6628-91b0-42cc-8142-b348a5dfdb2d | 
| Harvard University Herbaria Barcode | 00077819 | 
| Herbarium | GH | 
| Family | Apiaceae | 
| Type Status | Holotype | 
| Holotype of | Sphenosciadium capitellatum A. Gray | 
| Determination Remarks | [filed under] | 
| Taxon Reference | (for  Sphenosciadium capitellatum A. Gray) Proc. Amer. Acad. Arts 1865. 6: 537. | 
| Sex | not determined | 
| Phenology | NotDetermined | 
| Preparation Type | Sheet | 
| Preparation Method | Pressed |