33 MYOSOTIS SCORPIOIDES (L 1-6
   26 CERATOPHYLLUM DEMERSUM  1-6
   24 CALLITRICHE OBTUSANGULA 1-6
   22 SPARGANIUM SIMPLEX HUDS 1-6
   22 POTAMOGETON PECTINATUS  1-6
   22 LEMNA MINOR L.          1-6
   20 MYOS SCOR SUBS PALUSTRI 1-6
   19 SPIRODELA POLYRRHIZA (L 1-6
   16 MYRIOPHYLLUM SPICATUM L 1-6
   14 POTAMOGETON LUCENS L.   1-6
   12 NUPHAR LUTEUM SM.       1-6
    9 POTAMOGETON PERFOLIATUS 1-6
    9 RANUNCULUS FLUITANS LAM 1-6
    9 NASTURTIUM OFFICINALE R 1-6

    8 MYRIOPHYLLUM VERTICILLA 1-6
    8 CALLITRICHE OBTUSANGULA 3-6
    7 HELODEA CANADENSIS RICH 1-6
    6 POTAMOGETON MUCRONATUS  1-5
    6 RANUNCULUS CIRCINATUS S 1-6
    5 AZOLLA FILICULOIDES LAM 1-6
    5 POTAMOGETON CRISPUS L.  1-6
    5 LEMNA TRISULCA L.       1-6
    5 SIUM ERECTUM HUDSON     1-6
    4 ZANNICHELLIA PALUSTRIS  1-6
    4 POTAMOGETON PECTINATUS  4-6
    4 POTAMOGETON MUCRONATUS  3-5
    4 PHALARIS ARUNDINACEA L. 1-6
    4 SAGITTARIA SAGITTIFOLIA 1-6

    4 RORIPA AMPHIBIA (L.) BE 1-6
    3 POTAMOGETON PUSILLUS L. 1-6
    3 POTAMOGETON FLUITANS RO 1-6
    3 SPIRODELA POLYRRHIZA (L 3-6
    3 LEMNA MINOR L.          3-6
    3 IRIS PSEUDACORUS L.     1-6
    3 GLYCERIA ALTISSIMA (MOE 1-6
    3 SOLANUM DULCAMARA L.    1-5
    2 SPARGANIUM SIMPLEX HUDS 3-6
    2 POTAMOGETON LUCENS L.   4-6
    2 POTAMOGETON DENSUS L.   1-6
    2 BUTOMUS UMBELLATUS L.   1-5
    2 VERONICA ANAGALLIS L.   1-5
    2 HIPPURIS VULGARIS L.    1-6

    2 CERATOPHYLLUM DEMERSUM  5-6
    1 AZOLLA FILICULOIDES LAM 3-6
    1 POTAMOGETON TRICHOIDES  1-6
    1 HELODEA CANADENSIS RICH 4-6
    1 ARUNDO PHRAGMITES L.    1-6
    1 SIUM ERECTUM HUDSON     3-6
    1 VERONICA BECCABUNGA L.  1-6
    1 RANUNCULUS CIRCINATUS S 3-6
    1 LYSIMACHIA NUMMULARIA L 1-6
    1 HOTTONIA PALUSTRIS L.   1-6
    1 POLYGONUM HYDROPIPER L. 1-6
    1 MENTHA AQUATICA L.      1-6
    1 MYRIOPHYLLUM SPICATUM L 4-6
    1 MYOSOTIS SCORPIOIDES (L 2-6