• Myriophyllum Cuif, 1975 † [Family: Cyclastraeidae]
• Myriophyllum Linnaeus, 1753 [Family: Haloragaceae]
• Myriophyllum alteniflarum De Candolle
• Myriophyllum alterniflorum DC.
• Myriophyllum aquaticum (Vell.) Verdc.
• Myriophyllum brasiliense Camb. accepted as Myriophyllum aquaticum (Vell.) Verdc.
• Myriophyllum elatinoides Gaud. accepted as Myriophyllum quitense Kunth
• Myriophyllum exalbescens Fern. accepted as Myriophyllum sibiricum Komarov
• Myriophyllum farwellii Morong
• Myriophyllum heterophyllum Michx.
• Myriophyllum hippuroides Nutt. ex Torr. & Gray
• Myriophyllum humile (Raf.) Morong
• Myriophyllum laxum Shuttlw. ex Chapman
• Myriophyllum magdalenense Fern. accepted as Myriophyllum sibiricum Komarov
• Myriophyllum pinnatum (Walt.) B.S.P.
• Myriophyllum proserpinacoides Gillies ex Hook. & Arn. accepted as Myriophyllum aquaticum (Vell.) Verdc.
• Myriophyllum quitense Kunth
• Myriophyllum scabratum Michx. accepted as Myriophyllum pinnatum (Walt.) B.S.P.
• Myriophyllum sibiricum Komarov
• Myriophyllum spicatum L.
• Myriophyllum tenella Bigel.
• Myriophyllum tenellum Bigelow
• Myriophyllum ussuriense (Regel) Maxim.
• Myriophyllum verticillatum Linnaeus
• Myriophyllumpollenites E. Nagy, 1969 †