Synonyms: Castalia advena; Nenuphar advena (homotypic); Nuphar advena fraternum; Nuphar advena var. brevifolia; Nuphar advena var. tomentosa; Nuphar chartaceum; Nuphar fluviatile; Nuphar fluviatilis; Nuphar interfluitans; Nuphar ludoviciana; Nuphar lutea macrophylla; Nuphar luteum advenum; Nuphar luteum macrophyllum; Nuphar luteum var. macrophyllum; Nuphar microcarpum; Nuphar ovatum; Nuphar puberula; Nuphar puteora; Nuphar tomentosa; Nymphaea advena (homotypic); Nymphaea advena macrophylla; Nymphaea advena var. cubana; Nymphaea chartacea; Nymphaea fluviatilis; Nymphaea ludoviciana; Nymphaea macrophylla; Nymphaea microcarpa; Nymphaea ovata; Nymphaea puberula; Nymphona advena (homotypic); Nymphozanthus advena (homotypic); Nymphozanthus advena var. macrophyllus; Nymphozanthus advenus var. macrophyllus; Nymphozanthus fluviatilis; Nyphar advena