Ceratophyllum muricatum Cham. subsp. australe (Griseb.) Les (Syst. Bot. 13. 85. 1988.)
Localities: West Indies (native), Greater Antilles [ Cuba (native), ], North America (native), Mexico (native), Central America (native), South America (native),
Synonyms: Ceratophyllum echinatum sensu León & Alain, non A. Gray (Ann. Lyceum Nat. Hist. New York 4: 49. 1847.),
Last edited 08 Dec 09