Water plants of the world: A manual for the identification of the genera freshwater macrophytes. Junk 1974.
Cita Chicago (17th ed.)Water Plants of the World: A Manual for the Identification of the Genera Freshwater Macrophytes. The Hague: Junk 1974.
Cita MLA (9th ed.)Water Plants of the World: A Manual for the Identification of the Genera Freshwater Macrophytes. Junk 1974.
Atenció: Aquestes cites poden no estar 100% correctes.