21 CALLITRICHE OBTUSANGULA 1-6
   18 SPARGANIUM SIMPLEX HUDS 1-6
   15 CALLITRICHE OBTUSANGULA 3-6
   12 POTAMOGETON PECTINATUS  1-6
    6 HELODEA CANADENSIS RICH 1-6
    5 LEMNA MINOR L.          1-6
    5 LEMNA TRISULCA L.       1-6
    5 POTAMOGETON CRISPUS L.  1-6

    4 MYRIOPHYLLUM SPICATUM L 1-6
    4 RANUNCULUS FLUITANS LAM 1-6
    4 SPARGANIUM SIMPLEX HUDS 3-6
    3 NASTURTIUM OFFICINALE R 1-6
    3 RANUNCULUS CIRCINATUS S 1-6
    3 SIUM ERECTUM HUDSON     1-6
    3 POTAMOGETON FLUITANS RO 1-6
    3 POTAMOGETON PECTINATUS  4-6

    2 NUPHAR LUTEUM SM.       1-6
    2 OENANTHE FLUVIATILIS CO 1-4
    1 CERATOPHYLLUM DEMERSUM  1-6
    1 MYRIOPHYLLUM VERTICILLA 1-6
    1 RANUNCULUS FLUITANS LAM 3-6
    1 OENANTHE FLUVIATILIS CO 3-4
    1 SIUM ERECTUM HUDSON     3-6
    1 POTAMOGETON FLUITANS RO 3-6

    1 POTAMOGETON MUCRONATUS  1-5
    1 POTAMOGETON PERFOLIATUS 3-6
    1 POTAMOGETON PERFOLIATUS 1-6
    1 POTAMOGETON PUSILLUS L. 1-6
    1 ZANNICHELLIA PALUSTRIS  1-6