Ceratophyllaceae

17 accepted species.

Ceratophyllum australe
Ceratophyllum demersum
Common Coontail
Ceratophyllum demersum f. missionis
Ceratophyllum demersum var. apiculatum
Ceratophyllum demersum var. demersum
Ceratophyllum demersum var. inerme
Ceratophyllum demersum var. platyacanthum
Ceratophyllum demersum var. quadrispinum
Ceratophyllum echinatum
Prickly Coontail
Ceratophyllum muricatum
Prickly Hornwort
Ceratophyllum muricatum subsp. kossinskyi
Ceratophyllum muricatum subsp. muricatum
Ceratophyllum submersum
Soft Hornwort
Ceratophyllum submersum var. haynaldianum
Ceratophyllum submersum var. submersum
Ceratophyllum tanaieticum
Ceratophyllum tanaiticum