Astrocharas Stache, 1872 genus synonym

Haloragodendron Orchard genus synonym

Myriophillum Neck. genus doubtful

Misanora d'Urv., 1826 genus doubtful

Sphondylastrum Rchb. genus synonym

Linociria Neck. genus synonym

Laurembergia Bergius genus accepted

Cercodia Murray genus synonym

Laudonia Nees, 1845 genus doubtful

Meinoctes F.Muell. genus doubtful

Pentapterophyllon Hill genus synonym

Pentapteris Haller genus synonym

Hylas Bigelow ex DC., 1828 genus doubtful

Cercodea Sol. ex Lam., 1785 genus doubtful

Serpicula genus accepted

Trixis Adans. genus synonym

Wilsonipites S.K.Srivastava, 1969 genus accepted

Hippuridella W.N.Edwards, 1932 genus accepted

Haloragicarya E.M.Reid & M.E.J.Chandler, 1933 genus accepted

Vinkia Meijden genus synonym

Meziella Schindl. genus synonym

Meionectes R.Br. genus accepted

Trihaloragis M.L.Moody & Les genus accepted

Loudonia Lindl. genus synonym

Gonatocarpus Schreb. genus synonym

Glischrocaryon Endl. genus accepted

Halorrhagis genus synonym

Epilithes Blume genus synonym

Pelonastes Hook.f. genus synonym

Goniocarpus K.D.Koenig genus synonym

Gunneropsis genus doubtful

Enydria Vell. genus synonym

Haloragis J.R.Forst. & G.Forst. genus accepted

Myriophyllum L. genus accepted

Proserpinaca L. genus accepted

Gonocarpus Thunb. genus accepted

Potamogeton Walter genus synonym

Burshia Raf. genus synonym

Purshia Raf., 1819 genus doubtful

Obispocaulis G.R.Hernández-Castillo & S.R.S.Cevallos-Ferriz, 1999 genus doubtful

Stellaria Haller genus doubtful

Trixis Mitch. genus synonym

Tarahumara G.R.Hernández-Castillo & S.R.S.Cevallos-Ferriz, 1999 genus doubtful

Stellaria Zinn genus doubtful

Enhydria Kanitz, 1882 genus doubtful