16 POLYGONUM AMPHIBIUM L.  1-6
    9 NYMPHAEA ALBA L.        1-6
    9 POLYGONUM AMPHIBIUM L.  2-6
    7 NYMPHOIDES PELTATA (GME 1-6
    6 CERATOPHYLLUM DEMERSUM  1-6
    6 POTAMOGETON LUCENS L.   1-6
    5 MYRIOPHYLLUM SPICATUM L 1-6
    5 NUPHAR LUTEUM SM.       1-6

    4 NYMPHOIDES PELTATA (GME 5-6
    4 NYMPHAEA ALBA L.        5-6
    3 POTAMOGETON LUCENS L.   4-6
    2 UTRICULARIA MAJOR SCHMI 1-6
    2 SAGITTARIA SAGITTIFOLIA 1-6
    2 HELODEA CANADENSIS RICH 1-6
    2 POTAMOGETON OBTUSIFOLIU 1-6
    1 CERATOPHYLLUM DEMERSUM  5-6

    1 RORIPA AMPHIBIA (L.) BE 1-6
    1 MYRIOPHYLLUM VERTICILLA 1-6
    1 HIPPURIS VULGARIS L.    1-6
    1 NUPHAR LUTEUM SM.       4-6
    1 TRAPA NATANS L.         1-6
    1 HYDROCHARIS MORSUS-RANA 1-6
    1 LEMNA MINOR L.          1-6
    1 SPIRODELA POLYRRHIZA (L 1-6

    1 NAIAS MAJOR ALL.        1-6
    1 POTAMOGETON CRISPUS L.  1-6
    1 POTAMOGETON NATANS L.   4-6
    1 POTAMOGETON NATANS L.   1-6
    1 POTAMOGETON PECTINATUS  1-6
    1 SPARGANIUM SIMPLEX HUDS 1-6