43 TRAPA NATANS L.         4-6
   43 TRAPA NATANS L.         1-6
   41 CERATOPHYLLUM DEMERSUM  1-6
   26 CERATOPHYLLUM DEMERSUM  4-6

   16 POTAMOGETON TRICHOIDES  1-6
   10 NUPHAR LUTEUM SM.       1-6
    6 MYRIOPHYLLUM VERTICILLA 1-6
    6 POTAMOGETON LUCENS L.   1-6

    5 RANUNCULUS CIRCINATUS S 1-6
    3 NAIAS MAJOR ALL.        1-6
    2 NUPHAR LUTEUM SM.       4-6
    2 SPIRODELA POLYRRHIZA (L 1-6

    1 NYMPHAEA ALBA L.        1-6
    1 POTAMOGETON LUCENS L.   4-6
    1 POTAMOGETON PERFOLIATUS 1-6