24 CALLITRICHE OBTUSANGULA 1-6
   21 POTAMOGETON PECTINATUS  1-6
   17 MYRIOPHYLLUM VERTICILLA 1-6
   13 CALLITRICHE OBTUSANGULA 3-6
    9 CERATOPHYLLUM DEMERSUM  1-6
    8 LEMNA TRISULCA L.       1-6

    7 SPARGANIUM SIMPLEX HUDS 1-6
    6 POTAMOGETON LUCENS L.   1-6
    4 HELODEA CANADENSIS RICH 4-6
    4 HELODEA CANADENSIS RICH 1-6
    4 POTAMOGETON PUSILLUS L. 1-6
    3 MYRIOPHYLLUM SPICATUM L 1-6

    3 SPIRODELA POLYRRHIZA (L 1-6
    3 POTAMOGETON CRISPUS L.  1-6
    3 POTAMOGETON MUCRONATUS  1-5
    3 POTAMOGETON PECTINATUS  4-6
    2 MYRIOPHYLLUM SPICATUM L 4-6
    1 NUPHAR LUTEUM SM.       1-6

    1 LEMNA MINOR L.          1-6
    1 POTAMOGETON ACUTIFOLIUS 1-6
    1 POTAMOGETON PERFOLIATUS 1-6
    1 POTA PUSI SUBS PANORMIT 1-6
    1 SPARGANIUM SIMPLEX HUDS 3-6