| Name | Silphium gatesii f. truncatum L. M. Perry |
| Authorship | L. M. Perry |
| Rank | Forma |
| NomenclaturalStatus | NomLeg |
| Placed in | Silphium gatesii D. Mohr |
| GUID | urn:lsid:ipni.org:names:236444-2 |
| Citation | 1937 Rhodora 39: 289 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Silphium gatesii f. truncatum L. M. Perry |
| Identification made in | [no date] (1) |
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