| Name | Silphium trifoliatum f. praecisum L. M. Perry |
| Authorship | L. M. Perry |
| Rank | Forma |
| NomenclaturalStatus | NomLeg |
| Placed in | Silphium trifoliatum Linnaeus |
| GUID | urn:lsid:ipni.org:names:236484-2 |
| Citation | 1937 Rhodora 39: 291 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Silphium trifoliatum f. praecisum L. M. Perry |
| Identification made in | [no date] (1) |
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