References
For Ruppia
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. 1978. The Potamogetonaceae in the southeastern United States. J. Arnold Arb. 59: 170-191. Google Scholar
Haynes, R.R. 2000d. Ruppiaceae. 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
Haynes, R.R., L.B. Holm-Nielsen, & D.H. Les. 1998b. Ruppiaceae. Pp. 445-448. 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