References
For Limnobium
Bernardini, B., and F. Lucchese. 2018. New phylogenetic insights into Hydrocharitaceae. Ann. Bot. (Roma) 8: 45-58. Google Scholar
Catling, P.M., and W.G. Dore. 1982. Status and identification of Hydrocharis morsus-ranae and Limnobium spongia (Hydrocharitaceae) in northeastern North America. Rhodora 84: 523-545. Google Scholar
Cook, C.D.K. 1998b. Hydrocharitaceae. Pp. 234-248. 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
Haynes, R.R. 2000c. Hydrocharitaceae. 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