| Classification | Asteraceae |
| Harvard University Herbaria Barcode(s) | 00004459 |
| Type Status | Holotype |
| Collector | Josiah Gregg |
| Country | Mexico |
| State | Chihuahua |
| Geography | North America: North America (CA, US, MX) (Region): Mexico: Chihuahua |
| Date Collected | 1847-04-28 |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/570ae827-d5e8-4757-9062-29b3e54db3a5 |
| Harvard University Herbaria Barcode | 00004459 |
| Herbarium | GH |
| Family | Asteraceae |
| Type Status | Holotype |
| Holotype of | Clavigera spinulosa A. Gray |
| Verified by | D. E. Boufford |
| Determination Remarks | [is filed under name] |
| Taxon Reference | (for Clavigera spinulosa A. Gray) Mem. Amer. Acad. Arts 1852. 4: 63. |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
