References

For Trillidium

Floden, A.J., and E.E. Schilling. 2018b. Trillium undulatum as the second species of Trillidium. Pp. 477-478. In Weakley, A.S., B.A. Sorrie, R.J. LeBlond, A.J. Floden, E.E. Schilling, A.R. Franck, and J. Kees. 2018b. New combinations, rank changes, and nomenclatural and taxonomic comments in the vascular flora of the southeastern United States. IV. J. Bot. Res. Inst. Texas 12: 461-480. Google Scholar

Kim, C., S.C. Kim, and J.-H. Kim. 2019. Historical biogeography of Melanthiaceae: a case of out-of-North America through the Bering Land Bridge. Frontiers Plant Sci. 10: 396. Google Scholar

Patrick, T.S. 1985. Trillium undulatum forma enotatum, a new petal color form of the painted trillium. Rhodora 87: 157-158. Google Scholar

Patrick, T.S. 2007. Trilliums of Georgia. Tipularia 22: 3-22. Google Scholar

Tamura, M.N. 1998e. Trilliaceae. Pp. 444-452. In Kubitzki, K., ed. 1998a. The families and genera of vascular plants. III. Flowering plants – Monocotyledons – Lilianae (except Orchidaceae). Springer, Berlin. 478 pp. Google Scholar