| Name | Trillium gracile f. luteum J. D. Freeman |
| Authorship | J. D. Freeman |
| Rank | Forma |
| NomenclaturalStatus | NomLeg |
| Placed in | Trillium gracile J. D. Freeman |
| GUID | urn:lsid:ipni.org:names:258332-2 |
| Citation | 1975 Brittonia 27: 43 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Trillium gracile f. luteum J. D. Freeman |
| Identification made in | 1968 (1) |