External links to taxonomic opinions:
- IPNI Life Sciences Identifier (LSID)
- urn:lsid:ipni.org:names:258293-2
- Species Name
- Trillium cernuum L., Sp. Pl. 1: 339 (1753).
- Publication
- Bartonia; a Botanical Annual. Proceedings of the Philadelphia Botanical Club
- Collation
- no. 23: 49
- Family as entered in IPNI
- Trilliaceae