For Tradescantia
Anderson, E., and R.E. Woodson, Jr. 1935. The species of Tradescantia indigenous to the United States. Contr. Arnold Arb. 9: 132. Google Scholar
Faden, R.B. 2000b. Commelinaceae. In Flora of North America Editorial Committee. 2000. Flora of North America north of Mexico. Volume 22, Magnoliophyta: Alismatidae, Arecidae, Commelinidae (in part), and Zingiberidae. Oxford Univ. Press, New York, NY. 352 pp. Google Scholar
Faden. 1998. In Kubitzki, K., ed. 1998b. The families and genera of vascular plants. IV. Flowering plants – Monocotyledons – Alismatanae and Commelinanae (except Gramineae). Springer, Berlin. 511 pp. Google Scholar
Pellegrini, M.O.O. 2017. Morphological phylogeny of Tradescantia L. (Commelinaceae) sheds light on a new infrageneric classification for the genus and novelties on the systematics of subtribe Tradescantiinae. PhytoKeys 89: 11-72. Google Scholar
Pellegrini, M.O.O. 2018. Wandering throughout South America: Taxonomic revision of Tradescantia subg. Austrotradescantia (D.R.Hunt) M.Pell. (Commelinaceae). PhytoKeys 101: 1-97. Google Scholar
Tucker, G.C. 1989. The genera of Commelinaceae in the southeastern United States. J. Arnold Arb. 70: 97-130. Google Scholar