45 CALLITRICHE OBTUSANGULA 1-6
   34 SPARGANIUM SIMPLEX HUDS 1-6
   30 POTAMOGETON PECTINATUS  1-6
   29 CERATOPHYLLUM DEMERSUM  1-6
   28 LEMNA MINOR L.          1-6
   24 SPIRODELA POLYRRHIZA (L 1-6
   24 MYRIOPHYLLUM SPICATUM L 1-6
   19 CALLITRICHE OBTUSANGULA 3-6
   18 VERONICA ANAGALLIS L.   1-5
   16 POTAMOGETON CRISPUS L.  1-6
   14 MYRIOPHYLLUM VERTICILLA 1-6
   13 RANUNCULUS FLUITANS LAM 1-6
   12 HELODEA CANADENSIS RICH 1-6
   12 NUPHAR LUTEUM SM.       1-6

   11 POTAMOGETON MUCRONATUS  1-5
   11 POTAMOGETON LUCENS L.   1-6
   11 NASTURTIUM OFFICINALE R 1-6
   10 SIUM ERECTUM HUDSON     1-6
    9 POTAMOGETON FLUITANS RO 1-6
    9 LEMNA TRISULCA L.       1-6
    7 ALISMA PLANTAGO L.      1-6
    7 POLYGONUM HYDROPIPER L. 1-6
    7 RORIPA AMPHIBIA (L.) BE 1-6
    6 ZANNICHELLIA PALUSTRIS  1-6
    5 SPARGANIUM SIMPLEX HUDS 3-6
    5 POTAMOGETON CRISPUS L.  2-6
    5 LEMNA MINOR L.          3-6
    5 VERONICA BECCABUNGA L.  1-6

    5 RANUNCULUS CIRCINATUS S 1-6
    4 POTAMOGETON PUSILLUS L. 1-6
    4 POTAMOGETON PECTINATUS  4-6
    4 POTAMOGETON DENSUS L.   1-6
    4 PHALARIS ARUNDINACEA L. 1-6
    4 SAGITTARIA SAGITTIFOLIA 1-6
    3 POTAMOGETON FLUITANS RO 3-6
    3 POTAMOGETON CRISPUS L.  3-6
    3 VERONICA ANAGALLIS L.   2-5
    3 NASTURTIUM OFFICINALE R 3-6
    2 POTAMOGETON PERFOLIATUS 1-6
    2 POTAMOGETON DENSUS L.   3-6
    2 LEMNA TRISULCA L.       3-6
    2 IRIS PSEUDACORUS L.     1-6

    2 HELODEA CANADENSIS RICH 4-6
    2 ARUNDO PHRAGMITES L.    1-6
    2 ALISMA PLANTAGO L.      2-6
    2 MYRIOPHYLLUM SPICATUM L 4-6
    1 ZANNICHELLIA PALUSTRIS  4-6
    1 POTAMOGETON MUCRONATUS  3-5
    1 SPIRODELA POLYRRHIZA (L 3-6
    1 GLYCERIA FLUITANS (L.)  1-6
    1 GLYCERIA ALTISSIMA (MOE 1-6
    1 RANUNCULUS TRICHOPHYLLU 1-6
    1 RANUNCULUS CIRCINATUS S 3-6
    1 RUMEX HYDROLAPATHUM HUD 1-6
    1 HIPPURIS VULGARIS L.    1-6