Estrada-Ruiz, Emilio; Upchurch Jr., G.R.; Wolfe, J.A.; Cevallos-Ferriz, S.R.S. (2011), "Comparative Morphology of Fossil and Extant Leaves of Nelumbonaceae, Including a New Genus from the Late Cretaceous of Western North America", Systematic Botany, 36 (2): 337–351, doi:10.1600/036364411X569525, S2CID86589995
Angiosperm Phylogeny Group III (2009), "An update of the Angiosperm Phylogeny Group classification for the orders and families of flowering plants: APG III", Botanical Journal of the Linnean Society, 161 (2): 105–121, doi:10.1111/j.1095-8339.2009.00996.x, hdl:10654/18083
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Angiosperm Phylogeny Group III (2009), "An update of the Angiosperm Phylogeny Group classification for the orders and families of flowering plants: APG III", Botanical Journal of the Linnean Society, 161 (2): 105–121, doi:10.1111/j.1095-8339.2009.00996.x, hdl:10654/18083
Estrada-Ruiz, Emilio; Upchurch Jr., G.R.; Wolfe, J.A.; Cevallos-Ferriz, S.R.S. (2011), "Comparative Morphology of Fossil and Extant Leaves of Nelumbonaceae, Including a New Genus from the Late Cretaceous of Western North America", Systematic Botany, 36 (2): 337–351, doi:10.1600/036364411X569525, S2CID86589995