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.
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.
Padgett, D.J. 1999. Nomenclatural novelties in Nuphar (Nymphaeaceae). Sida 18: 823-826.
Padgett, D.J. 2007. A monograph of Nuphar (Nymphaeaceae). Rhodora 109: 1-95.
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.
Voss, E.G. 1985. Michigan flora: a guide to the identification and occurrence of the native and naturalized seed-plants of the state. Part II, dicots (Saururaceae-Cornaceae). Cranbrook Institute of Science Bulletin No. 59 and Univ. of Mich. Herbarium, Ann Arbor, MI. 724 pp.
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.
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