| Classification | Hypericaceae: Hypericum |
| Harvard University Herbaria Barcode(s) | 00067583 |
| Type Status | Isosyntype |
| Collector | E. Hall |
| Country | United States of America |
| State | Illinois |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Illinois: Menard County |
| Date Collected | 1861 |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/f8fd40e6-1445-4385-bc0d-0dbbcd9356a2 |
| Harvard University Herbaria Barcode | 00067583 |
| Herbarium | GH |
| Family | Hypericaceae |
| Determination | Hypericum gymnanthum Engelmann & A. Gray |
| Determined by | D. H. Webb |
| Determination Remarks | [is Current name] |
| Family | Hypericaceae |
| Type Status | Isosyntype |
| Isosyntype of | Hypericum canadense var. cardiophyllum R. Keller |
| Verified by | D. H. Webb |
| Taxon Reference | (for Hypericum canadense var. cardiophyllum R. Keller) Bull. Herb. Boissier 1908. ser. 2, 8: 189. |
| Sex | not determined |
| Phenology | Fruit |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
