81 CALLITRICHE OBTUSANGULA 1-6
   79 POTAMOGETON PECTINATUS  1-6
   45 LEMNA TRISULCA L.       1-6
   45 MYRIOPHYLLUM VERTICILLA 1-6
   43 POTAMOGETON CRISPUS L.  1-6
   42 CALLITRICHE OBTUSANGULA 3-6
   39 SPARGANIUM SIMPLEX HUDS 1-6
   36 MYRIOPHYLLUM SPICATUM L 1-6
   35 POTAMOGETON MUCRONATUS  1-5
   35 HELODEA CANADENSIS RICH 1-6
   30 LEMNA MINOR L.          1-6
   27 CERATOPHYLLUM DEMERSUM  1-6
   26 POTAMOGETON LUCENS L.   1-6
   22 SIUM ERECTUM HUDSON     1-6
   21 ZANNICHELLIA PALUSTRIS  1-6

   19 POTAMOGETON PUSILLUS L. 1-6
   19 POTAMOGETON DENSUS L.   1-6
   18 RANUNCULUS CIRCINATUS S 1-6
   17 NUPHAR LUTEUM SM.       1-6
   15 POTAMOGETON CRISPUS L.  2-6
   12 POTAMOGETON PECTINATUS  4-6
   12 POTAMOGETON MUCRONATUS  3-5
   12 HELODEA CANADENSIS RICH 4-6
   10 AZOLLA FILICULOIDES LAM 1-6
   10 SPIRODELA POLYRRHIZA (L 1-6
   10 LEMNA TRISULCA L.       3-6
    6 POTAMOGETON PERFOLIATUS 1-6
    6 POTAMOGETON DENSUS L.   3-6
    6 RANUNCULUS FLUITANS LAM 1-6
    6 NASTURTIUM OFFICINALE R 1-6

    5 SPARGANIUM SIMPLEX HUDS 3-6
    4 POTAMOGETON CRISPUS L.  3-6
    4 OENANTHE FLUVIATILIS CO 1-4
    4 NUPHAR LUTEUM SM.       4-6
    4 MYRIOPHYLLUM SPICATUM L 4-6
    3 POTAMOGETON TRICHOIDES  1-6
    3 POTAMOGETON FLUITANS RO 1-6
    3 LEMNA TRISULCA L.       4-6
    3 LEMNA MINOR L.          3-6
    2 POTAMOGETON PERFOLIATUS 3-6
    2 POTAMOGETON LUCENS L.   4-6
    2 LEMNA GIBBA L.          1-6
    2 SIUM ERECTUM HUDSON     3-6
    2 RANUNCULUS FLUITANS LAM 3-6
    2 HOTTONIA PALUSTRIS L.   1-6

    1 ZANN PALU VAR. PALUSTRI 1-6
    1 POTA PUSI SUBS PANORMIT 1-6
    1 POTAMOGETON PUSILLUS L. 3-6
    1 POTAMOGETON NATANS L.   1-6
    1 POTAMOGETON FLUITANS RO 3-6
    1 POTAMOGETON ACUTIFOLIUS 1-6
    1 SPIRODELA POLYRRHIZA (L 3-6
    1 OENANTHE FLUVIATILIS CO 3-4
    1 VERONICA ANAGALLIS L.   1-5
    1 RANUNCULUS FLUITANS LAM 4-6
    1 RANUNCULUS CIRCINATUS S 3-6
    1 HIPPURIS VULGARIS L.    1-6
    1 NASTURTIUM OFFICINALE R 3-6