FRQ
  338 POTAMOGETON PECTINATUS  1-6
  319 MYRIOPHYLLUM SPICATUM L 1-6
  318 CERATOPHYLLUM DEMERSUM  1-6
  203 SPARGANIUM SIMPLEX HUDS 1-6
  188 RANUNCULUS CIRCINATUS S 1-6
  188 NUPHAR LUTEUM SM.       1-6
  185 LEMNA MINOR L.          1-6
  168 CALLITRICHE OBTUSANGULA 1-6
  164 HELODEA CANADENSIS RICH 1-6
  160 POTAMOGETON LUCENS L.   1-6
  147 POTAMOGETON CRISPUS L.  1-6
  119 MYRIOPHYLLUM VERTICILLA 1-6
  115 POTAMOGETON PERFOLIATUS 1-6
  113 SPIRODELA POLYRRHIZA (L 1-6
   88 RANUNCULUS CIRCINATUS S 3-6
   86 POTAMOGETON PUSILLUS L. 1-6
   85 POTAMOGETON FLUITANS RO 1-6
   84 CERATOPHYLLUM DEMERSUM  4-6
   75 LEMNA TRISULCA L.       1-6
   75 SAGITTARIA SAGITTIFOLIA 1-6
   71 MYRIOPHYLLUM SPICATUM L 4-6
   69 POTAMOGETON PECTINATUS  4-6
   68 SPARGANIUM SIMPLEX HUDS 3-6
   68 NUPHAR LUTEUM SM.       4-6
   67 POTAMOGETON MUCRONATUS  1-5
   67 CALLITRICHE OBTUSANGULA 3-6
   46 RANUNCULUS FLUITANS LAM 1-6

   45 POTAMOGETON NATANS L.   1-6
   44 ZANNICHELLIA PALUSTRIS  1-6
   42 POTAMOGETON DENSUS L.   1-6
   39 HELODEA CANADENSIS RICH 4-6
   39 BUTOMUS UMBELLATUS L.   1-6
   38 POTAMOGETON PERFOLIATUS 3-6
   35 SIUM ERECTUM HUDSON     1-6
   34 POTAMOGETON FLUITANS RO 4-6
   32 AZOLLA FILICULOIDES LAM 1-6
   30 POTAMOGETON CRISPUS L.  2-6
   29 LEMNA MINOR L.          3-6
   26 POTAMOGETON MUCRONATUS  3-5
   26 SAGITTARIA SAGITTIFOLIA 3-6
   24 NAIAS MAJOR ALL.        1-6
   24 VERONICA ANAGALLIS L.   1-5
   23 POTAMOGETON LUCENS L.   4-6
   22 LEMNA GIBBA L.          1-6
   20 POTAMOGETON OBTUSIFOLIU 1-6
   20 NYMPHAEA ALBA L.        1-6
   19 POTAMOGETON TRICHOIDES  1-6
   17 HOTTONIA PALUSTRIS L.   1-6
   16 NASTURTIUM OFFICINALE R 1-6
   15 POTAMOGETON PUSILLUS L. 3-6
   15 SPIRODELA POLYRRHIZA (L 3-6
   15 RANUNCULUS TRICHOPHYLLU 1-6
   14 HYDROCHARIS MORSUS-RANA 1-6
   12 SPARGANIUM RAMOSUM CURT 1-6

   12 POTA PUSI SUBS PANORMIT 1-6
   12 NAIAS MAJOR ALL.        4-6
   12 HIPPURIS VULGARIS L.    1-6
   11 VALLISNERIA SPIRALIS L. 1-6
   10 POTAMOGETON DENSUS L.   3-6
   10 RORIPA AMPHIBIA (L.) BE 1-6
    9 POTAMOGETON CRISPUS L.  3-6
    9 RANU TRIC VAR. TRICHOPH 1-6
    7 POTAMOGETON X-ZIZI MERT 1-6
    7 POLYGONUM HYDROPIPER L. 1-6
    6 POTAMOGETON TRICHOIDES  4-6
    6 UTRICULARIA VULGARIS L. 1-6
    5 ZANN PALU VAR. PALUSTRI 1-6
    5 SCIRPUS LACUSTRIS L.    1-6
    5 TRAPA NATANS L.         1-6
    4 POTAMOGETON NATANS L.   4-6
    4 POTAMOGETON ACUTIFOLIUS 1-6
    4 NAIAS MINOR ALL.        1-6
    4 LEMNA TRISULCA L.       4-6
    4 BUTOMUS UMBELLATUS L.   3-6
    4 ALISMA PLANTAGO L.      1-6
    4 OENANTHE FLUVIATILIS CO 1-4
    4 RANUNCULUS FLUITANS LAM 3-6
    4 LUDWIGIA PALUSTRIS (L.) 1-6
    4 UTRICULARIA MAJOR SCHMI 1-6
    3 AZOLLA FILICULOIDES LAM 3-6
    3 VERONICA ANAGALLIS L.   2-5

    2 POTA PUSI SUBS PANORMIT 4-6
    2 POTAMOGETON OBTUSIFOLIU 4-6
    2 GLYCERIA ALTISSIMA (MOE 1-6
    2 RANUNCULUS TRICHOPHYLLU 3-6
    2 RANUNCULUS FLUITANS LAM 4-6
    2 NYMPHOIDES PELTATA (GME 1-6
    2 HIPPURIS VULGARIS L.    3-6
    2 MYRIOPHYLLUM VERTICILLA 4-6
    1 ZANNICHELLIA PALUSTRIS  4-6
    1 TYPHA LATIFOLIA L.      1-6
    1 SPARGANIUM RAMOSUM CURT 3-6
    1 GLYCERIA FLUITANS (L.)  1-6
    1 ACORUS CALAMUS 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 SCELERATUS L 1-6
    1 RANUNCULUS AQUATILIS L. 1-6
    1 HOTTONIA PALUSTRIS L.   3-6
    1 RUMEX HYDROLAPATHUM HUD 1-6
    1 POLYGONUM AMPHIBIUM L.  1-6
    1 LUDWIGIA PALUSTRIS (L.) 4-6
    1 NYMPHAEA ALBA L.        5-6
    1 UTRICULARIA VULGARIS L. 3-6
    1 NASTURTIUM OFFICINALE R 3-6