Green E.P. & Short F.T. 2003. World Atlas of...

ResearchGate Link - Green, E.P. and Short, F.T. (eds.). 2003. World Atlas of Seagrasses. University of California Press, Berkeley, USA. 324 pp.

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This data file or API can be downloaded from:

https://www.researchgate.net/publication/269988511_World_Atlas_of_Seagrasses