⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record kew-292859, with some changes.
Trillium lirioides var. longipetiolatum
is a synonym
of Trillium grandiflorum
This name is a synonym of Trillium grandiflorum .
The record derives from WCSP which reports it as a synonym (record 292859) with original publication details: Rep. (Annual) Michigan Acad. Sci. 20: 158 1918.