36 MYOSOTIS SCORPIOIDES (L 1-6
   33 CALLITRICHE OBTUSANGULA 1-6
   28 SPARGANIUM SIMPLEX HUDS 1-6
   26 SPIRODELA POLYRRHIZA (L 1-6
   25 CERATOPHYLLUM DEMERSUM  1-6
   25 LEMNA MINOR L.          1-6
   18 POTAMOGETON PECTINATUS  1-6
   16 CALLITRICHE OBTUSANGULA 3-6
   16 MYRIOPHYLLUM SPICATUM L 1-6
   16 NUPHAR LUTEUM SM.       1-6
   15 SIUM ERECTUM HUDSON     1-6
   13 NASTURTIUM OFFICINALE R 1-6
   12 RORIPA AMPHIBIA (L.) BE 1-6
   11 POTAMOGETON LUCENS L.   1-6
   10 POTAMOGETON PERFOLIATUS 1-6

    8 RANUNCULUS FLUITANS LAM 1-6
    8 POTAMOGETON CRISPUS L.  1-6
    8 POTAMOGETON DENSUS L.   1-6
    7 MYOS SCOR SUBS PALUSTRI 1-6
    7 SPARGANIUM SIMPLEX HUDS 3-6
    6 CERATOPHYLLUM DEMERSUM  4-6
    6 RANUNCULUS CIRCINATUS S 1-6
    6 PHALARIS ARUNDINACEA L. 1-6
    6 HELODEA CANADENSIS RICH 1-6
    6 POTAMOGETON FLUITANS RO 1-6
    5 MYOSOTIS SCORPIOIDES (L 2-6
    5 VERONICA ANAGALLIS L.   1-5
    5 LEMNA TRISULCA L.       1-6
    5 POTAMOGETON PUSILLUS L. 1-6
    4 SAGITTARIA SAGITTIFOLIA 1-6

    4 SPIRODELA POLYRRHIZA (L 3-6
    4 ZANNICHELLIA PALUSTRIS  1-6
    3 HIPPURIS VULGARIS L.    1-6
    3 RANUNCULUS CIRCINATUS S 3-6
    3 SIUM ERECTUM HUDSON     4-6
    3 BUTOMUS UMBELLATUS L.   1-6
    3 GLYCERIA ALTISSIMA (MOE 1-6
    3 LEMNA MINOR L.          3-6
    3 POTAMOGETON MUCRONATUS  3-5
    3 POTAMOGETON MUCRONATUS  1-5
    3 POTAMOGETON PECTINATUS  4-6
    2 MYRIOPHYLLUM VERTICILLA 1-6
    2 OENANTHE PHELLANDRIUM ( 1-6
    2 ARUNDO PHRAGMITES L.    1-6
    2 IRIS PSEUDACORUS L.     1-6

    2 POTAMOGETON CRISPUS L.  2-6
    2 POTAMOGETON FLUITANS RO 4-6
    2 POTAMOGETON LUCENS L.   4-6
    2 AZOLLA FILICULOIDES LAM 1-6
    1 NASTURTIUM OFFICINALE R 3-6
    1 MYRIOPHYLLUM SPICATUM L 4-6
    1 MENTHA AQUATICA L.      1-6
    1 NUPHAR LUTEUM SM.       4-6
    1 HOTTONIA PALUSTRIS L.   1-6
    1 POTAMOGETON COLORATUS V 1-6
    1 POTAMOGETON CRISPUS L.  3-6
    1 POTAMOGETON TRICHOIDES  1-6