| Name | Silphium simpsonii Greene |
| Authorship | Greene |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Silphium |
| Contains | Silphium simpsonii var. wrightii L. M. Perry |
| GUID | urn:lsid:ipni.org:names:236473-2 |
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