19 POTAMOGETON PUSILLUS L. 1-6
   17 POTAMOGETON PECTINATUS  1-6
   12 POTA PUSI SUBS PANORMIT 1-6
   10 MYRIOPHYLLUM SPICATUM L 1-6
   10 POTAMOGETON CRISPUS L.  1-6
   10 ZANNICHELLIA PALUSTRIS  1-6
    9 POTAMOGETON LUCENS L.   1-6
    8 CERATOPHYLLUM DEMERSUM  1-6
    8 POTAMOGETON PECTINATUS  4-6

    7 POTAMOGETON PUSILLUS L. 3-6
    6 RANUNCULUS CIRCINATUS S 1-6
    6 HELODEA CANADENSIS RICH 1-6
    6 POTAMOGETON DENSUS L.   1-6
    5 POTAMOGETON PERFOLIATUS 1-6
    4 CALLITRICHE OBTUSANGULA 1-6
    4 POTAMOGETON MUCRONATUS  1-5
    3 HIPPURIS VULGARIS L.    1-6
    3 RANUNCULUS CIRCINATUS S 3-6

    3 NAIAS MINOR ALL.        1-6
    3 POTAMOGETON CRISPUS L.  2-6
    3 SPARGANIUM SIMPLEX HUDS 1-6
    2 MYRIOPHYLLUM SPICATUM L 4-6
    2 ALISMA PLANTAGO L.      1-6
    2 NAIAS MAJOR ALL.        1-6
    2 POTAMOGETON CRISPUS L.  3-6
    2 POTAMOGETON FLUITANS RO 1-6
    2 POTA PUSI SUBS PANORMIT 4-6

    2 AZOLLA FILICULOIDES LAM 1-6
    1 CALLITRICHE OBTUSANGULA 3-6
    1 MYRIOPHYLLUM VERTICILLA 1-6
    1 NUPHAR LUTEUM SM.       1-6
    1 HELODEA CANADENSIS RICH 4-6
    1 POTAMOGETON X-ZIZI MERT 1-6
    1 ZANNICHELLIA PALUSTRIS  4-6