For Ottelia
Cook. 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
Crow, G.E., and C.B. Hellquist. 2023. Aquatic and wetland plants of northeastern United States, second edition. Univ. of Wisc. Press, Madison, WI, USA. 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