20 POTAMOGETON PECTINATUS  1-6
   14 POTAMOGETON PUSILLUS L. 1-6
   13 POTAMOGETON CRISPUS L.  1-6
   11 POTAMOGETON PECTINATUS  3-6
    9 MYRIOPHYLLUM SPICATUM L 1-6
    9 POTAMOGETON CRISPUS L.  2-6
    6 RANUNCULUS CIRCINATUS S 1-6
    6 POTAMOGETON LUCENS L.   1-6
    6 POTAMOGETON PERFOLIATUS 1-6

    5 HELODEA CANADENSIS RICH 1-6
    5 POTAMOGETON CRISPUS L.  3-6
    4 POTAMOGETON PUSILLUS L. 3-6
    4 POTA PUSI SUBS PANORMIT 1-6
    3 CERATOPHYLLUM DEMERSUM  1-6
    3 HELODEA CANADENSIS RICH 4-6
    3 NAIAS MINOR ALL.        1-6
    3 POTAMOGETON DENSUS L.   1-6
    3 POTAMOGETON MUCRONATUS  1-5

    3 ZANNICHELLIA PALUSTRIS  1-6
    2 MYRIOPHYLLUM SPICATUM L 4-6
    2 HIPPURIS VULGARIS L.    1-6
    2 RANUNCULUS CIRCINATUS S 3-6
    2 ALISMA PLANTAGO L.      1-6
    2 POTAMOGETON LUCENS L.   4-6
    2 POTAMOGETON NATANS L.   1-6
    2 AZOLLA FILICULOIDES LAM 1-6
    1 CALLITRICHE OBTUSANGULA 1-6

    1 UTRICULARIA MAJOR SCHMI 1-6
    1 BUTOMUS UMBELLATUS L.   1-5
    1 NAIAS MAJOR ALL.        1-6
    1 POTAMOGETON ACUTIFOLIUS 1-6
    1 POTAMOGETON FLUITANS RO 1-6
    1 POTA PUSI SUBS PANORMIT 4-6
    1 POTAMOGETON X-ZIZI MERT 1-6