101 POTAMOGETON LUCENS L.   1-6
   99 NUPHAR LUTEUM SM.       1-6
   92 MYRIOPHYLLUM VERTICILLA 1-6
   80 CERATOPHYLLUM DEMERSUM  1-6
   65 NYMPHAEA ALBA L.        1-6
   52 HIPPURIS VULGARIS L.    1-6
   43 NUPHAR LUTEUM SM.       4-6
   35 NYMPHOIDES PELTATA (GME 1-6
   32 MYRIOPHYLLUM VERTICILLA 4-6
   32 TRAPA NATANS L.         1-6
   28 HIPPURIS VULGARIS L.    3-6
   28 POTAMOGETON PECTINATUS  1-6
   23 POTAMOGETON LUCENS L.   4-6
   22 MYRIOPHYLLUM SPICATUM L 1-6
   22 POTAMOGETON NATANS L.   1-6
   19 LEMNA TRISULCA L.       1-6
   17 UTRICULARIA MAJOR SCHMI 1-6

   16 NYMPHOIDES PELTATA (GME 5-6
   16 RANUNCULUS CIRCINATUS S 1-6
   16 LEMNA MINOR L.          1-6
   15 CERATOPHYLLUM DEMERSUM  5-6
   14 HOTTONIA PALUSTRIS L.   1-6
   14 HYDROCHARIS MORSUS-RANA 1-6
   14 NAIAS MAJOR ALL.        1-6
   13 SPIRODELA POLYRRHIZA (L 1-6
   12 NYMPHAEA ALBA L.        5-6
   11 SALVINIA NATANS (L.) AL 1-6
   10 UTRICULARIA VULGARIS L. 1-6
    9 POTAMOGETON PUSILLUS L. 1-6
    8 SCIRPUS LACUSTRIS L.    1-6
    8 POTAMOGETON PERFOLIATUS 1-6
    7 POTAMOGETON NATANS L.   4-6
    6 CALLITRICHE OBTUSANGULA 1-6
    6 RORIPA AMPHIBIA (L.) BE 1-6

    5 HOTTONIA PALUSTRIS L.   3-6
    5 TRAPA NATANS L.         4-6
    5 NAIAS MAJOR ALL.        4-6
    5 POTAMOGETON CRISPUS L.  1-6
    4 MYRIOPHYLLUM SPICATUM L 4-6
    4 UTRICULARIA VULGARIS L. 3-6
    4 HELODEA CANADENSIS RICH 1-6
    4 SPARGANIUM MINIMUM FRIE 1-6
    3 RANUNCULUS CIRCINATUS S 3-6
    3 SCIRPUS ACICULARIS L.   1-6
    3 SPARGANIUM SIMPLEX HUDS 1-6
    2 CALLITRICHE OBTUSANGULA 3-6
    2 UTRICULARIA MAJOR SCHMI 3-6
    2 RANUNCULUS TRICHOPHYLLU 1-6
    2 OENANTHE PHELLANDRIUM ( 1-6
    2 SAGITTARIA SAGITTIFOLIA 1-6
    2 SPIRODELA POLYRRHIZA (L 3-6

    2 POTAMOGETON OBTUSIFOLIU 1-6
    2 SPARGANIUM RAMOSUM CURT 1-6
    1 POLYGONUM MINUS HUDS.   1-6
    1 ALISMA PLANTAGO L.      1-6
    1 ACORUS CALAMUS L.       1-6
    1 BUTOMUS UMBELLATUS L.   1-5
    1 HELODEA CANADENSIS RICH 4-6
    1 LEMNA GIBBA L.          1-6
    1 LEMNA MINOR L.          3-6
    1 POTAMOGETON ACUTIFOLIUS 1-6
    1 POTAMOGETON PECTINATUS  4-6
    1 POTAMOGETON PUSILLUS L. 3-6
    1 SPARGANIUM SIMPLEX HUDS 3-6
    1 AZOLLA FILICULOIDES LAM 1-6