Ceratophyllum L., 5 especies cosmopolita, 4 en México y 2 en el área de la flora.

Referencias:
Jones, E. N. 1931.The morphology and biology of Ceratophyllum demersum Stud. Nat. Hist. Iowa Univ. 13: 11-55; Lowden, R. M. 1978. Studies in the submerged genus Ceratophyllum L. in the neotropics. Aquatic Bot. 4: 127-142; D. Les. 1985.The taxonomic significance of plumule morphology in Ceratophyllum (Ceratophyllaceae). Syst. Bot. 10: 338–346.; Les, D.H. 1986. The phytogeography of Ceratophyllum demersum and C. echinatum in glaciated North America. Canad. J. Bot. 64: 498-509; D. Les. 1986. The evolution of achene morphology in Ceratophyllum (Ceratophyllaceae), I. Syst. Bot. 11: 549–558., D. Les. 1988. The evolution of achene morphology in Ceratophyllum (Ceratophyllaceae), II. Syst. Bot. 13: 73–86, III. 13: 509–517.

• Ceratophyllum demersum • Ceratophyllum submersum ssp. echinatum • Ceratophyllum submersum ssp. muricatum