References
For Nuphar
Beal, E.O. 1956. Taxonomic revision of the genus Nuphar Sm. of North America and Europe. J. Elisha Mitchell Sci. Soc. 72: 317-346. Google Scholar
Culatta, K., A. Krings, L.P. Matallana-Ramirez, and R. Whetten. 2022. Clarifying taxonomic boundaries in Nuphar sagittifolia (Nymphaeaceae): insights from morphology and population genetic diversity. Castanea 87: 81-104. Google Scholar
Padgett, D.J. 1999. Nomenclatural novelties in Nuphar (Nymphaeaceae). Sida 18: 823-826. Google Scholar
Padgett, D.J. 2007. A monograph of Nuphar (Nymphaeaceae). Rhodora 109: 1-95. Google Scholar
Schneider & Williamson. 1993. In Kubitzki, K., J.G. Rohwer, and V. Bittrich, eds. 1993. The families and genera of vascular plants. II. Flowering plants – Dicotyledons – Magnoliid, Hamamelid and Caryophyllid families. Springer, Berlin. 653 pp. Google Scholar
Wiersema, J.H., and C.B. Hellquist. 1997. Nymphaeaceae. In Flora of North America Editorial Committee. 1997. Flora of North America north of Mexico. Volume 3, Magnoliophyta: Magnoliidae and Hamamelidae. Oxford Univ. Press, New York, NY. 590 pp. Google Scholar