FRQ
   74 ARUNDO PHRAGMITES L.    1-6
   51 POTAMOGETON LUCENS L.   1-6
   40 MYRIOPHYLLUM VERTICILLA 1-6
   39 NUPHAR LUTEUM SM.       1-6
   36 HELODEA CANADENSIS RICH 1-6
   35 POTAMOGETON NATANS L.   1-6
   28 HOTTONIA PALUSTRIS L.   1-6
   27 CERATOPHYLLUM DEMERSUM  1-6
   25 POTAMOGETON LUCENS L.   4-6
   23 NUPHAR LUTEUM SM.       4-6
   20 SPARGANIUM SIMPLEX HUDS 1-6
   20 RANUNCULUS CIRCINATUS S 1-6
   18 NYMPHAEA ALBA L.        1-6
   16 POTAMOGETON PUSILLUS L. 1-6
   16 LEMNA MINOR L.          1-6
   16 CAREX ELATA ALL.        1-6
   14 SAGITTARIA SAGITTIFOLIA 1-6
   13 POTAMOGETON NATANS L.   4-6

   13 MYRIOPHYLLUM SPICATUM L 1-6
   12 CERATOPHYLLUM DEMERSUM  4-6
   11 SAGITTARIA SAGITTIFOLIA 3-6
    9 SPARGANIUM SIMPLEX HUDS 3-6
    9 POTAMOGETON CRISPUS L.  1-6
    9 HOTTONIA PALUSTRIS L.   3-6
    8 POTAMOGETON PECTINATUS  1-6
    8 LEMNA TRISULCA L.       1-6
    7 SPARGANIUM MINIMUM FRIE 1-6
    7 HYDROCHARIS MORSUS-RANA 1-6
    7 MYRIOPHYLLUM VERTICILLA 4-6
    6 POTAMOGETON DENSUS L.   1-6
    6 ALISMA PLANTAGO L.      1-6
    6 UTRICULARIA VULGARIS L. 1-6
    6 HIPPURIS VULGARIS L.    1-6
    5 HELODEA CANADENSIS RICH 4-6
    4 SPARGANIUM RAMOSUM CURT 1-6
    4 POTAMOGETON CRISPUS L.  2-6

    4 POTAMOGETON CRISPUS L.  3-6
    4 SPIRODELA POLYRRHIZA (L 1-6
    4 ARUNDO PHRAGMITES L.    4-6
    4 SCIRPUS LACUSTRIS L.    1-6
    4 SIUM ERECTUM HUDSON     1-6
    3 POTAMOGETON PUSILLUS L. 3-6
    3 POTAMOGETON MUCRONATUS  1-5
    3 RANUNCULUS CIRCINATUS S 3-6
    3 UTRICULARIA VULGARIS L. 3-6
    3 UTRICULARIA MINOR L.    1-6
    3 MYRIOPHYLLUM SPICATUM L 4-6
    3 CALLITRICHE OBTUSANGULA 1-6
    2 SPARGANIUM MINIMUM FRIE 4-6
    2 POTAMOGETON PERFOLIATUS 1-6
    2 POTAMOGETON DENSUS L.   3-6
    2 LEMNA MINOR L.          3-6
    2 RANUNCULUS TRICHOPHYLLU 1-6
    2 NYMPHAEA ALBA L.        5-6

    1 ZANNICHELLIA PALUSTRIS  1-6
    1 SPARGANIUM RAMOSUM CURT 3-6
    1 POTAMOGETON PERFOLIATUS 3-6
    1 POTAMOGETON PECTINATUS  4-6
    1 POTAMOGETON COMPRESSUS  1-3
    1 POTAMOGETON ACUTIFOLIUS 1-6
    1 POTAMOGETON ACUTIFOLIUS 4-6
    1 NAIAS MAJOR ALL.        1-6
    1 LEMNA TRISULCA L.       4-6
    1 GLYCERIA ALTISSIMA (MOE 1-6
    1 SCIRPUS LACUSTRIS L.    3-6
    1 CAREX PSEUDO-CYPERUS L. 1-6
    1 CAREX ACUTIFORMIS EHRH. 1-6
    1 UTRICULARIA MAJOR SCHMI 1-6
    1 NASTURTIUM OFFICINALE R 1-6