44 POTAMOGETON CRISPUS L.  1-6
   43 POTAMOGETON CRISPUS L.  2-6
   39 POTAMOGETON CRISPUS L.  3-6
   17 POTAMOGETON PECTINATUS  1-6
   11 CALLITRICHE OBTUSANGULA 1-6
    9 POTAMOGETON PECTINATUS  4-6
    8 MYRIOPHYLLUM SPICATUM L 1-6

    6 CERATOPHYLLUM DEMERSUM  1-6
    3 CALLITRICHE OBTUSANGULA 3-6
    3 LEMNA MINOR L.          1-6
    3 POTAMOGETON PUSILLUS L. 1-6
    2 HELODEA CANADENSIS RICH 1-6
    1 CALLITRICHE STAGNALIS S 1-6
    1 MYRIOPHYLLUM SPICATUM L 4-6

    1 MYRIOPHYLLUM VERTICILLA 1-6
    1 NUPHAR LUTEUM SM.       1-6
    1 RANUNCULUS FLUITANS LAM 1-6
    1 OENANTHE FLUVIATILIS CO 1-4
    1 LEMNA TRISULCA L.       1-6
    1 SPIRODELA POLYRRHIZA (L 1-6
    1 POTAMOGETON FLUITANS RO 1-6

    1 POTAMOGETON OBTUSIFOLIU 1-6
    1 POTAMOGETON PERFOLIATUS 1-6
    1 POTAMOGETON PUSILLUS L. 3-6
    1 POTAMOGETON TRICHOIDES  1-6
    1 SPARGANIUM SIMPLEX HUDS 1-6
    1 ZANNICHELLIA PALUSTRIS  1-6