FRQ
   86 NYMPHAEA ALBA L.        1-6
   85 NUPHAR LUTEUM SM.       1-6
   78 CERATOPHYLLUM DEMERSUM  1-6
   73 MYRIOPHYLLUM VERTICILLA 1-6
   55 POTAMOGETON LUCENS L.   1-6
   55 HIPPURIS VULGARIS L.    1-6
   40 NUPHAR LUTEUM SM.       4-6
   33 CERATOPHYLLUM DEMERSUM  4-6
   31 HIPPURIS VULGARIS L.    3-6
   28 TRAPA NATANS L.         1-6
   26 NYMPHAEA ALBA L.        5-6
   25 MYRIOPHYLLUM SPICATUM L 1-6
   24 RANUNCULUS CIRCINATUS S 1-6

   20 POTAMOGETON PECTINATUS  1-6
   17 HOTTONIA PALUSTRIS L.   1-6
   16 MYRIOPHYLLUM VERTICILLA 4-6
   15 POTAMOGETON LUCENS L.   4-6
   13 NYMPHOIDES PELTATA (GME 1-6
   12 LEMNA TRISULCA L.       1-6
   12 UTRICULARIA MAJOR SCHMI 1-6
    9 POTAMOGETON NATANS L.   1-6
    9 CALLITRICHE OBTUSANGULA 1-6
    8 NAIAS MAJOR ALL.        1-6
    8 MYRIOPHYLLUM SPICATUM L 4-6
    6 POTAMOGETON PUSILLUS L. 1-6
    6 POTAMOGETON CRISPUS L.  1-6

    6 SCIRPUS LACUSTRIS L.    1-6
    6 TRAPA NATANS L.         4-6
    6 CALLITRICHE OBTUSANGULA 3-6
    5 HELODEA CANADENSIS RICH 1-6
    5 UTRICULARIA VULGARIS L. 1-6
    4 SALVINIA NATANS (L.) AL 1-6
    4 HYDROCHARIS MORSUS-RANA 1-6
    3 SPARGANIUM SIMPLEX HUDS 1-6
    3 LEMNA MINOR L.          1-6
    3 SAGITTARIA SAGITTIFOLIA 1-6
    3 RANUNCULUS CIRCINATUS S 3-6
    2 SPARGANIUM RAMOSUM CURT 1-6
    2 SPARGANIUM MINIMUM FRIE 1-6

    2 POTAMOGETON PERFOLIATUS 1-6
    2 POTAMOGETON NATANS L.   4-6
    2 NYMPHOIDES PELTATA (GME 5-6
    2 UTRICULARIA VULGARIS L. 3-6
    1 POTAMOGETON PUSILLUS L. 3-6
    1 POTAMOGETON PECTINATUS  4-6
    1 POTAMOGETON OBTUSIFOLIU 1-6
    1 POTAMOGETON CRISPUS L.  2-6
    1 POTAMOGETON ACUTIFOLIUS 1-6
    1 SPIRODELA POLYRRHIZA (L 1-6
    1 SAGITTARIA SAGITTIFOLIA 3-6
    1 HOTTONIA PALUSTRIS L.   3-6
    1 UTRICULARIA MAJOR SCHMI 3-6