Damasonium polyspermum Coss.
      
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2 319668 Damasonium polyspermum Coss. Alismataceae
E.S.C. Cosson, J.F.G. Barratte, Ill. Fl. atlant., vol. 2(7): : t. 173, fig. 1-6 (1897) [A. Riocreux & C. Cuisin]