| Classification | Asteraceae: Silphium |
| Harvard University Herbaria Barcode(s) | 00012389 |
| Type Status | Holotype |
| Collector | S. B. Buckley |
| Country | United States of America |
| State | Alabama |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Alabama |
| Locality | Prairies |
| Date Collected | 1840-07-** |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/849f94de-2d8a-4c54-8f5a-cdfd5be32456 |
| Harvard University Herbaria Barcode | 00012389 |
| Herbarium | GH |
| Family | Asteraceae |
| Type Status | Holotype |
| Holotype of | Silphium trifoliatum var. latifolium A. Gray |
| Verified by | J. A. Clevinger |
| Taxon Reference | (for Silphium trifoliatum var. latifolium A. Gray) Syn. Fl. N. Amer. 1884. 1(2): 241. |
| Family | Asteraceae |
| Determination | Silphium asteriscus var. asteriscus |
| Determined by | J. A. Clevinger |
| Determination Remarks | [current name] |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
