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Natural distribution of Eleusine (unmarked E. indica widespread on four continents except for Antarctica). The background map was downloaded from http://www.ngdc.noaa.gov/mgg/global/global.html (Amante C, Eakins BW. ETOPO1 1 arc-minute global relief model: procedures, data sources and analysis. NOAA Technical Memorandum NESDIS NGDC-24, March 2009).
