| Name | Trillium flexipes f. walpolei (Farwell) Fernald |
| Authorship | (Farwell) Fernald |
| Rank | Forma |
| NomenclaturalStatus | Unknown |
| Placed in | Trillium flexipes Rafinesque |
| GUID | urn:lsid:ipni.org:names:1150934-2 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Trillium flexipes f. walpolei (Farwell) Fernald |
| Identification made in | [no date] (1) |