FRQ
   27 LEMNA MINOR L.          1-6
   27 CALLITRICHE HAMULATA KU 1-6
   23 RANUNCULUS AQUATILIS L. 1-6
   23 CALLITRICHE STAGNALIS S 1-6
   13 LEMNA MINOR L.          3-6
   13 HOTTONIA PALUSTRIS L.   1-6
   13 CALLITRICHE HAMULATA KU 3-6
   11 SPARGANIUM SIMPLEX HUDS 1-6
   11 CALLITRICHE STAGNALIS S 3-6
   11 CALLITRICHE OBTUSANGULA 1-6

    9 HELODEA CANADENSIS RICH 1-6
    9 HOTTONIA PALUSTRIS L.   3-6
    8 RANUNCULUS AQUATILIS L. 4-6
    7 CALLITRICHE OBTUSANGULA 3-6
    6 UTRICULARIA MAJOR SCHMI 1-6
    5 POTAMOGETON NATANS L.   1-6
    4 POTAMOGETON PUSILLUS L. 1-6
    4 POTAMOGETON CRISPUS L.  1-6
    4 SIUM ERECTUM HUDSON     1-6
    4 RORIPA AMPHIBIA (L.) BE 1-6

    3 SPIRODELA POLYRRHIZA (L 1-6
    3 LEMNA TRISULCA L.       1-6
    3 OENANTHE FLUVIATILIS CO 1-4
    2 SPARGANIUM SIMPLEX HUDS 3-6
    2 SPIRODELA POLYRRHIZA (L 3-6
    2 LEMNA TRISULCA L.       4-6
    2 LEMNA GIBBA L.          1-6
    1 POTAMOGETON POLYGONIFOL 1-6
    1 POTAMOGETON PECTINATUS  1-6
    1 POTAMOGETON NATANS L.   4-6

    1 POTAMOGETON COLORATUS V 1-6
    1 POTAMOGETON COLORATUS V 4-6
    1 OENANTHE FLUVIATILIS CO 3-4
    1 UTRICULARIA MAJOR SCHMI 3-6
    1 MYRIOPHYLLUM SPICATUM L 1-6
    1 MYRIOPHYLLUM ALTERNIFLO 1-6
    1 NASTURTIUM OFFICINALE R 1-6