For Myriophyllum
Aiken, S.G. 1981. A conspectus of Myriophyllum (Haloragaceae) in North America. Brittonia 33: 57-69. Google Scholar
Crow, G.E., and C.B. Hellquist. 2000a. Aquatic and wetland plants of northeastern North America: a revised and enlarged edition of Norman C. Fassett's A Manual of Aquatic Plants. Vol. 1. Pteridophytes, gymnosperms, and angiosperms: dicotyledons. Univ. of Wisconsin Press, Madison, WI, USA. Google Scholar
Moody, M.L., and D.H. Les. 2010. Systematics of the aquatic Angiosperm genus Myriophyllum (Haloragaceae). Systematic Bot. 35: 121-139. Google Scholar
Scribailo, R.W., and M.S. Alix. 2021. Haloragaceae. In Flora of North America Editorial Committee. 2021. Flora of North America north of Mexico. Volume 10, Magnoliophyta: Proteaceae to Elaeagnaceae. Oxford Univ. Press, New York, NY. 456 pp. Google Scholar