| Name | Hypericum canadense var. cardiophyllum R. Keller |
| Authorship | R. Keller |
| Rank | Variety |
| NomenclaturalStatus | NomLeg |
| Placed in | Hypericum canadense Linnaeus |
| GUID | urn:lsid:ipni.org:names:126151-2 |
| Citation | 1908 Bull. Herb. Boissier ser. 2, 8: 189 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Hypericum canadense var. cardiophyllum R. Keller |
| Identification made in | [no date] (1) |