Trillium angustifolium
is a synonym
of Trillium pusillum var. pusillum
This name is a synonym of Trillium pusillum var. pusillum .
The record derives from WCSP which reports it as a synonym (record 290554) with original publication details: Med. Fl. 2: 99 1830.
Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:542513-1.