| Classification | Asteraceae: Silphium |
| Harvard University Herbaria Barcode(s) | 00012377 |
| Type Status | Holotype |
| Collector | C. C. Deam |
| Collector number | 54376 |
| Country | United States of America |
| State | Indiana |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Indiana: Vermillion County |
| Locality | Right of way of the railroad 1 mile east of Dana |
| Date Collected | 1933-08-20 |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/3f1cf3b5-8ad4-4f78-ac47-8c7930f37963 |
| Harvard University Herbaria Barcode | 00012377 |
| Herbarium | GH |
| Family | Asteraceae |
| Type Status | Holotype |
| Holotype of | Silphium integrifolium var. deamii L. M. Perry |
| Verified by | J. A. Clevinger |
| Taxon Reference | (for Silphium integrifolium var. deamii L. M. Perry) Rhodora 1937. 39: 287. |
| Family | Asteraceae |
| Determination | Silphium integrifolium var. integrifolium |
| Determined by | J. A. Clevinger |
| Determination Remarks | [current name] |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
