• Marsilea Adanson, 1763 (unaccepted) [Family: Metzgeriales (awaiting allocation)]
• Marsilea Linnaeus, 1753 [Family: Marsileaceae]
• Marsilea ancylopoda A. Braun
• Marsilea berteroi A. Braun accepted as Marsilea ancylopoda A. Braun
• Marsilea fournieri C. Christens. accepted as Marsilea vestita Hook. & Grev.
• Marsilea hirsuta R. Br.
• Marsilea macropoda Engelm. ex A. Braun
• Marsilea mexicana A. Braun accepted as Marsilea ancylopoda A. Braun
• Marsilea minuta Fourn. accepted as Marsilea vestita Hook. & Grev.
• Marsilea minuta Linnaeus
• Marsilea mollis B.L. Robins. & Fern.
• Marsilea mucronata A. Braun accepted as Marsilea vestita Hook. & Grev.
• Marsilea natans Linnaeus accepted as Salvinia auriculata Aubl.
• Marsilea oligospora Goodding
• Marsilea polycarpa Hook. & Grev.
• Marsilea quadrifolia Linnaeus
• Marsilea tenuifolia Engelm. ex A. Braun accepted as Marsilea vestita Hook. & Grev.
• Marsilea uncinata A. Braun accepted as Marsilea vestita Hook. & Grev.
• Marsilea vestita Hook. & Grev.
• Marsilea villosa Kaulfuss
• Marsileaceae de Mirbel, 1802
• Marsileaceaephyllum N.S. Nagalingum, 2007 †
• Marsileales accepted as Salviniales