^ abcdden Hartog, C. (2005). "Taxonomy and biogeorgraphy of seagrasses". In Larkum, Anthony W.D.; Duarte, Carlos; Orth, Robert J. (eds.). Seagrasses: Biology, Ecology and Conservation. Springer-Verlag New York, LLC. ISBN978-1-4020-2942-4.
^1900 illustration from Hemprich F.G. & Ehrenberbg C.G. - Symbolae physicae seu Icones Adhuc Inditeae : coroprum naturalium novorum aut minus cognitorum