FRQ
  131 CALLITRICHE OBTUSANGULA 1-6
  113 POTAMOGETON PECTINATUS  1-6
   76 LEMNA MINOR L.          1-6
   74 SPARGANIUM SIMPLEX HUDS 1-6
   67 CERATOPHYLLUM DEMERSUM  1-6
   63 CALLITRICHE OBTUSANGULA 3-6
   57 LEMNA TRISULCA L.       1-6
   57 MYRIOPHYLLUM SPICATUM L 1-6
   56 MYRIOPHYLLUM VERTICILLA 1-6
   53 POTAMOGETON CRISPUS L.  1-6
   51 HELODEA CANADENSIS RICH 1-6
   43 SPIRODELA POLYRRHIZA (L 1-6
   39 RANUNCULUS CIRCINATUS S 1-6
   35 POTAMOGETON MUCRONATUS  1-5
   32 SIUM ERECTUM HUDSON     1-6
   32 NUPHAR LUTEUM SM.       1-6
   24 POTAMOGETON PECTINATUS  4-6
   23 POTAMOGETON PUSILLUS L. 1-6
   23 POTAMOGETON LUCENS L.   1-6
   22 VERONICA ANAGALLIS L.   1-5
   20 POTAMOGETON DENSUS L.   1-6

   18 LEMNA MINOR L.          3-6
   18 RANUNCULUS FLUITANS LAM 1-6
   17 SPARGANIUM SIMPLEX HUDS 3-6
   17 POTAMOGETON CRISPUS L.  2-6
   16 ZANNICHELLIA PALUSTRIS  1-6
   14 AZOLLA FILICULOIDES LAM 1-6
   14 POTAMOGETON FLUITANS RO 1-6
   14 NASTURTIUM OFFICINALE R 1-6
   13 HELODEA CANADENSIS RICH 4-6
   12 RANUNCULUS CIRCINATUS S 3-6
   11 POTAMOGETON PERFOLIATUS 1-6
   11 CERATOPHYLLUM DEMERSUM  4-6
   10 SPARGANIUM RAMOSUM CURT 1-6
    9 SAGITTARIA SAGITTIFOLIA 1-6
    8 NUPHAR LUTEUM SM.       4-6
    7 POLYGONUM HYDROPIPER L. 1-6
    7 RORIPA AMPHIBIA (L.) BE 1-6
    6 POTAMOGETON MUCRONATUS  3-5
    6 POTAMOGETON DENSUS L.   3-6
    6 MYRIOPHYLLUM SPICATUM L 4-6
    5 POTAMOGETON NATANS L.   1-6

    5 HIPPURIS VULGARIS L.    1-6
    4 POTAMOGETON TRICHOIDES  1-6
    4 POTAMOGETON CRISPUS L.  3-6
    4 SPIRODELA POLYRRHIZA (L 3-6
    4 BUTOMUS UMBELLATUS L.   1-6
    4 OENANTHE FLUVIATILIS CO 1-4
    3 POTAMOGETON PERFOLIATUS 3-6
    3 POTAMOGETON LUCENS L.   4-6
    3 POTAMOGETON FLUITANS RO 4-6
    3 LEMNA TRISULCA L.       4-6
    3 LEMNA GIBBA L.          1-6
    3 VERONICA ANAGALLIS L.   2-5
    3 RANUNCULUS TRICHOPHYLLU 1-6
    2 AZOLLA FILICULOIDES LAM 3-6
    2 POTAMOGETON OBTUSIFOLIU 1-6
    2 HYDROCHARIS MORSUS-RANA 1-6
    2 GLYCERIA ALTISSIMA (MOE 1-6
    2 RANU TRIC VAR. TRICHOPH 1-6
    2 RANUNCULUS FLUITANS LAM 3-6
    1 ZANN PALU VAR. PALUSTRI 1-6
    1 TYPHA LATIFOLIA L.      1-6

    1 SPARGANIUM RAMOSUM CURT 3-6
    1 POTA PUSI SUBS PANORMIT 1-6
    1 POTAMOGETON PUSILLUS L. 3-6
    1 POTAMOGETON ACUTIFOLIUS 1-6
    1 NAIAS MAJOR ALL.        1-6
    1 GLYCERIA FLUITANS (L.)  1-6
    1 ALISMA PLANTAGO L.      1-6
    1 SIUM ERECTUM HUDSON     4-6
    1 OENANTHE FLUVIATILIS CO 3-4
    1 APIUM NODIFLORUM (L.) L 1-6
    1 VERONICA BECCABUNGA L.  1-6
    1 VERO ANAG SUBS AQUATICA 1-5
    1 RANUNCULUS FLUITANS LAM 4-6
    1 RANUNCULUS AQUATILIS L. 1-6
    1 HOTTONIA PALUSTRIS L.   1-6
    1 RUMEX HYDROLAPATHUM HUD 1-6
    1 UTRICULARIA MAJOR SCHMI 1-6
    1 HIPPURIS VULGARIS L.    3-6
    1 NASTURTIUM OFFICINALE R 3-6