⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record kew-292869, with some changes.
This name is a synonym of Trillium grandiflorum (Michx.) Salisb..
The record derives from WCSP which reports it as a synonym (record 292869) with original publication details: Fl. Bor.-Amer. 1: 216 1803.
Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:258372-2.