| Classification | Asteraceae: Silphium |
| Harvard University Herbaria Barcode(s) | 00012371 |
| Type Status | Holotype |
| Collector | A. H. Curtiss |
| Country | United States of America |
| State | Florida |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Florida: Gadsden County: Chattahoochee |
| Date Collected | 1884-09-03 |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/3cb58374-0918-4b20-bab0-bcb7c684e9e5 |
| Harvard University Herbaria Barcode | 00012371 |
| Herbarium | GH |
| Family | Asteraceae |
| Type Status | Holotype |
| Holotype of | Silphium astericus var. angustatum A. Gray |
| Verified by | V. Bates |
| Taxon Reference | (for Silphium astericus var. angustatum A. Gray) Syn. Fl. N. Amer. 1886. 1(2): 449. |
| Family | Asteraceae |
| Determination | Silphium asteriscus subsp. dentatum (Elliott) Chapman |
| Determined by | J. A. Clevinger |
| Determination Remarks | [current name] |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
