36 POLYGONUM AMPHIBIUM L.  1-6
   33 POLYGONUM AMPHIBIUM L.  2-6
   16 MYRIOPHYLLUM SPICATUM L 1-6
   12 CERATOPHYLLUM DEMERSUM  1-6
   11 NUPHAR LUTEUM SM.       1-6
    9 NYMPHAEA ALBA L.        1-6
    8 NYMPHOIDES PELTATA (GME 1-6
    7 POTAMOGETON LUCENS L.   1-6
    6 MYRIOPHYLLUM SPICATUM L 4-6

    6 TRAPA NATANS L.         1-6
    6 POTAMOGETON LUCENS L.   4-6
    4 NYMPHOIDES PELTATA (GME 5-6
    3 NYMPHAEA ALBA L.        5-6
    3 TRAPA NATANS L.         4-6
    3 POTAMOGETON CRISPUS L.  1-6
    2 CERATOPHYLLUM DEMERSUM  4-6
    2 RANUNCULUS CIRCINATUS S 1-6
    2 LEMNA MINOR L.          1-6

    2 NAIAS MAJOR ALL.        1-6
    2 NAIAS MINOR ALL.        1-6
    2 POTAMOGETON NATANS L.   1-6
    2 POTAMOGETON OBTUSIFOLIU 1-6
    1 MYOSOTIS SCORPIOIDES (L 1-6
    1 CALLITRICHE OBTUSANGULA 1-6
    1 MYRIOPHYLLUM VERTICILLA 1-6
    1 UTRICULARIA MAJOR SCHMI 1-6
    1 UTRICULARIA VULGARIS L. 1-6

    1 NUPHAR LUTEUM SM.       4-6
    1 RANUNCULUS AQUATILIS L. 1-6
    1 SCIRPUS LACUSTRIS L.    1-6
    1 VALLISNERIA SPIRALIS L. 1-6
    1 SPIRODELA POLYRRHIZA (L 1-6
    1 NAIAS MAJOR ALL.        4-6
    1 POTAMOGETON TRICHOIDES  4-6
    1 POTAMOGETON TRICHOIDES  1-6