Cycnogeton is a genus of plants in the family Juncaginaceae described as a genus in 1838. It is native to Australia and New Guinea.
SpeciesCycnogeton alcockiae (Aston) Mering & Kadereit - SA TAS VICCycnogeton dubium (R.Br.) Mering & Kadereit - NG NSW QLD NT VIC WACycnogeton huegelii Endl. - WACycnogeton lineare (Endl.) Sond. - WACycnogeton microtuberosum (Aston) Mering & Kadereit - NSW QLD VICCycnogeton multifructum (Aston) Mering & Kadereit - NSW QLD VIC SA NTCycnogeton procerum (R.Br.) Buchenau - NSW QLD VIC SA TASCycnogeton rheophilum (Aston) Mering & Kadereit - NSW QLD VIC TAS