| Classification | Asteraceae: Silphium |
| Harvard University Herbaria Barcode(s) | 00012387 |
| Type Status | Isotype |
| Collector | T. Nuttall |
| Country | United States of America |
| State | Arkansas |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Arkansas |
| Locality | Plains |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/70fa7530-cf3d-47d9-9905-8be8061db81e |
| Harvard University Herbaria Barcode | 00012387 |
| Herbarium | GH |
| Family | Asteraceae |
| Type Status | Isotype |
| Isotype of | Silphium speciosum Nuttall |
| Verified by | J. A. Clevinger |
| Determination Remarks | [is filed under name] |
| Taxon Reference | (for Silphium speciosum Nuttall) Trans. Amer. Philos. Soc. 1841. n.s. 7: 341. |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
