| Name | Trillium ozarkanum E. J. Palmer & Steyermark |
| Authorship | E. J. Palmer & Steyermark |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Trillium |
| GUID | urn:lsid:ipni.org:names:258351-2 |
| Citation | 1935 Ann. Missouri Bot. Gard. 22: 504 |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Trillium ozarkanum E. J. Palmer & Steyermark |
| Identification made in | [no date] (1), 2007 (1) |