For Commelina
Brashier, C.K. 1966. A revision of Commelina (Plum.) L. in the U.S.A. Bull. Torrey Bot. Club 93: 1-19.
Faden 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.
Faden, R.B. 1993. The misconstrued and rare species of Commelina (Commelinaceae) in the eastern United States. Ann. Missouri Bot. Gard. 80: 208-218.
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.
Tucker, G.C. 1989. The genera of Commelinaceae in the southeastern United States. J. Arnold Arb. 70: 97-130.