180 CERATOPHYLLUM DEMERSUM  1-6
  178 NUPHAR LUTEUM SM.       1-6
  154 NYMPHAEA ALBA L.        1-6
  138 MYRIOPHYLLUM VERTICILLA 1-6
  120 POTAMOGETON LUCENS L.   1-6
   94 NUPHAR LUTEUM SM.       4-6
   72 MYRIOPHYLLUM SPICATUM L 1-6
   70 HIPPURIS VULGARIS L.    1-6
   65 CERATOPHYLLUM DEMERSUM  4-6
   63 POTAMOGETON NATANS L.   1-6
   61 RANUNCULUS CIRCINATUS S 1-6
   52 TRAPA NATANS L.         1-6
   49 MYRIOPHYLLUM VERTICILLA 4-6
   44 HYDROCHARIS MORSUS-RANA 1-6
   40 LEMNA MINOR L.          1-6
   37 HIPPURIS VULGARIS L.    3-6
   37 NYMPHAEA ALBA L.        5-6
   34 LEMNA TRISULCA L.       1-6
   33 POTAMOGETON LUCENS L.   4-6
   33 POTAMOGETON PECTINATUS  1-6

   32 NYMPHOIDES PELTATA (GME 1-6
   32 HOTTONIA PALUSTRIS L.   1-6
   30 SPIRODELA POLYRRHIZA (L 1-6
   29 SAGITTARIA SAGITTIFOLIA 1-6
   27 SCIRPUS LACUSTRIS L.    1-6
   27 POTAMOGETON CRISPUS L.  1-6
   26 HELODEA CANADENSIS RICH 1-6
   22 UTRICULARIA MAJOR SCHMI 1-6
   18 NAIAS MAJOR ALL.        1-6
   18 SPARGANIUM SIMPLEX HUDS 1-6
   17 MYRIOPHYLLUM SPICATUM L 4-6
   17 POTAMOGETON PUSILLUS L. 1-6
   16 POTAMOGETON NATANS L.   4-6
   15 NYMPHOIDES PELTATA (GME 5-6
   14 UTRICULARIA VULGARIS L. 1-6
   13 CALLITRICHE OBTUSANGULA 1-6
   11 POTAMOGETON OBTUSIFOLIU 1-6
   11 POTAMOGETON PERFOLIATUS 1-6
    9 TRAPA NATANS L.         4-6
    8 SPARGANIUM MINIMUM FRIE 1-6

    7 RANUNCULUS CIRCINATUS S 3-6
    7 HYDROCHARIS MORSUS-RANA 4-6
    7 SALVINIA NATANS (L.) AL 1-6
    6 CALLITRICHE OBTUSANGULA 3-6
    6 HOTTONIA PALUSTRIS L.   3-6
    6 POTAMOGETON ACUTIFOLIUS 1-6
    5 SAGITTARIA SAGITTIFOLIA 3-6
    3 UTRICULARIA VULGARIS L. 3-6
    3 LEMNA MINOR L.          3-6
    3 NAIAS MAJOR ALL.        4-6
    3 POTAMOGETON MUCRONATUS  1-5
    3 POTAMOGETON OBTUSIFOLIU 4-6
    3 POTAMOGETON PUSILLUS L. 3-6
    2 SCIRPUS LACUSTRIS L.    3-6
    2 LEMNA TRISULCA L.       4-6
    2 POTAMOGETON CRISPUS L.  2-6
    2 POTAMOGETON PERFOLIATUS 3-6
    2 POTAMOGETON TRICHOIDES  1-6
    2 SPARGANIUM RAMOSUM CURT 1-6
    2 SPARGANIUM SIMPLEX HUDS 3-6

    1 CALLITRICHE VERNA L.    1-6
    1 MYRIOPHYLLUM ALTERNIFLO 1-6
    1 UTRICULARIA MAJOR SCHMI 3-6
    1 RANUNCULUS TRICHOPHYLLU 1-6
    1 SIUM ERECTUM HUDSON     1-6
    1 ALISMA NATANS L.        1-6
    1 BUTOMUS UMBELLATUS L.   1-6
    1 ARUNDO PHRAGMITES L.    1-6
    1 GLYCERIA FLUITANS (L.)  1-6
    1 VALLISNERIA SPIRALIS L. 1-6
    1 SPIRODELA POLYRRHIZA (L 3-6
    1 POTAMOGETON ACUTIFOLIUS 4-6
    1 POTAMOGETON GRAMINEUS L 1-6
    1 POTAMOGETON PECTINATUS  4-6
    1 POTAMOGETON RUFESCENS S 1-6
    1 SPARGANIUM MINIMUM FRIE 4-6
    1 TYPHA LATIFOLIA L.      1-6