⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record kew-290654, 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 290654) with original publication details: Med. Fl. 2: 100 1830.
Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:542564-1.