| Name | Lilium philadelphicum f. flaviflorum E. F. Williams |
| Authorship | E. F. Williams |
| Rank | Forma |
| NomenclaturalStatus | NomLeg |
| Placed in | Lilium philadelphicum Linnaeus |
| GUID | urn:lsid:ipni.org:names:140159-2 |
| Citation | 1913 Rhodora 15: 218 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Lilium philadelphicum f. flaviflorum E. F. Williams |
| Identification made in | [no date] (1) |