| Name | Silphium integrifolium var. deamii L. M. Perry |
| Authorship | L. M. Perry |
| Rank | Variety |
| NomenclaturalStatus | NomLeg |
| Placed in | Silphium integrifolium Michaux |
| GUID | urn:lsid:ipni.org:names:236449-2 |
| Citation | 1937 Rhodora 39: 287 |
| Holdings | 3 Specimens held in the Harvard University Herbaria identified as Silphium integrifolium var. deamii L. M. Perry |
| Identification made in | [no date] (3) |
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