| Name | Trillium rivale S. Watson | 
| Authorship | S. Watson | 
| Rank | Species | 
| NomenclaturalStatus | NomLeg | 
| Placed in | Trillium | 
| GUID | urn:lsid:ipni.org:names:325424-2 | 
| Citation | 1885 Proc. Amer. Acad. Arts 20: 378 | 
| Holdings | 3 Specimens held in the Harvard University Herbaria identified as Trillium rivale S. Watson | 
| Identification made in | [no date] (1), 2007 (2) | 
