286 POTAMOGETON PECTINATUS  1-6
  256 CALLITRICHE OBTUSANGULA 1-6
  205 MYRIOPHYLLUM SPICATUM L 1-6
  200 LEMNA MINOR L.          1-6
  182 CERATOPHYLLUM DEMERSUM  1-6
  158 SPARGANIUM SIMPLEX HUDS 1-6
  153 SPIRODELA POLYRRHIZA (L 1-6
  126 POTAMOGETON LUCENS L.   1-6
  112 POTAMOGETON CRISPUS L.  1-6
   94 CALLITRICHE OBTUSANGULA 3-6
   93 POTAMOGETON PERFOLIATUS 1-6
   91 MYRIOPHYLLUM VERTICILLA 1-6
   83 HELODEA CANADENSIS RICH 1-6
   81 NUPHAR LUTEUM SM.       1-6
   81 LEMNA TRISULCA L.       1-6
   75 POTAMOGETON PUSILLUS L. 1-6
   69 AZOLLA FILICULOIDES LAM 1-6
   62 POTAMOGETON MUCRONATUS  1-5
   59 RANUNCULUS CIRCINATUS S 1-6
   59 RANUNCULUS FLUITANS LAM 1-6
   56 LEMNA MINOR L.          3-6
   52 BUTOMUS UMBELLATUS L.   1-5
   52 ZANNICHELLIA PALUSTRIS  1-6
   46 POTAMOGETON PECTINATUS  4-6
   45 LEMNA GIBBA L.          1-6
   43 SPARGANIUM SIMPLEX HUDS 3-6
   42 SIUM ERECTUM HUDSON     1-6
   42 POTAMOGETON CRISPUS L.  2-6

   40 POTAMOGETON DENSUS L.   1-6
   39 POTAMOGETON FLUITANS RO 1-6
   36 SPIRODELA POLYRRHIZA (L 3-6
   33 HIPPURIS VULGARIS L.    1-6
   31 SAGITTARIA SAGITTIFOLIA 1-6
   28 MYRIOPHYLLUM SPICATUM L 4-6
   28 VERONICA ANAGALLIS L.   1-5
   27 POTAMOGETON PERFOLIATUS 3-6
   24 NASTURTIUM OFFICINALE R 1-6
   23 POTAMOGETON CRISPUS L.  3-6
   23 POTA PUSI SUBS PANORMIT 1-6
   20 ALISMA PLANTAGO L.      1-6
   20 HELODEA CANADENSIS RICH 4-6
   19 AZOLLA FILICULOIDES LAM 3-6
   18 POTAMOGETON PUSILLUS L. 3-6
   17 RANUNCULUS CIRCINATUS S 3-6
   16 HIPPURIS VULGARIS L.    3-6
   16 RANUNCULUS FLUITANS LAM 3-6
   16 POTAMOGETON MUCRONATUS  3-5
   14 LEMNA TRISULCA L.       3-6
   14 NAIAS MAJOR ALL.        1-6
   14 POTAMOGETON LUCENS L.   4-6
   14 POTAMOGETON NATANS L.   1-6
   13 NUPHAR LUTEUM SM.       4-6
   13 POTAMOGETON X-ZIZI MERT 1-6
   12 CERATOPHYLLUM DEMERSUM  5-6
   12 HOTTONIA PALUSTRIS L.   1-6
   12 RANUNCULUS FLUITANS LAM 4-6

   12 BUTOMUS UMBELLATUS L.   3-5
   11 OENANTHE FLUVIATILIS CO 1-4
   11 SAGITTARIA SAGITTIFOLIA 3-6
   11 POTAMOGETON DENSUS L.   3-6
   11 POTAMOGETON FLUITANS RO 3-6
    8 ALIS PLAN VAR. GRAMINIF 1-6
    8 PHALARIS ARUNDINACEA L. 1-6
    8 NAIAS MINOR ALL.        1-6
    7 RORIPA AMPHIBIA (L.) BE 1-6
    7 POLYGONUM HYDROPIPER L. 1-6
    7 VERONICA BECCABUNGA L.  1-6
    7 ALISMA PLANTAGO L.      2-6
    7 SPARGANIUM RAMOSUM CURT 1-6
    6 RANUNCULUS TRICHOPHYLLU 1-6
    6 POTA PUSI SUBS PANORMIT 4-6
    6 POTAMOGETON TRICHOIDES  1-6
    5 MYRIOPHYLLUM VERTICILLA 4-6
    5 NYMPHAEA ALBA L.        1-6
    5 LEMNA TRISULCA L.       4-6
    5 NAIAS MAJOR ALL.        4-6
    4 NASTURTIUM OFFICINALE R 3-6
    4 NYMPHOIDES PELTATA (GME 1-6
    4 HOTTONIA PALUSTRIS L.   3-6
    4 ALIS PLAN VAR. GRAMINIF 2-6
    4 SCIRPUS LACUSTRIS L.    1-6
    4 GLYCERIA ALTISSIMA (MOE 1-6
    3 UTRICULARIA MAJOR SCHMI 1-6
    3 POLYGONUM AMPHIBIUM L.  1-6

    3 VERONICA ANAGALLIS L.   2-5
    3 TRAPA NATANS L.         1-6
    3 POTAMOGETON ACUTIFOLIUS 1-6
    3 ZANNICHELLIA PALUSTRIS  4-6
    3 SALVINIA NATANS (L.) AL 1-6
    2 UTRICULARIA VULGARIS L. 1-6
    2 RANUNCULUS TRICHOPHYLLU 3-6
    2 VERO ANAG SUBS AQUATICA 1-5
    2 OENANTHE FLUVIATILIS CO 3-4
    2 SIUM ERECTUM HUDSON     3-6
    2 SCIRPUS LACUSTRIS L.    3-6
    2 ARUNDO PHRAGMITES L.    1-6
    2 GLYCERIA FLUITANS (L.)  1-6
    2 IRIS PSEUDACORUS L.     1-6
    2 LEMNA GIBBA L.          4-6
    2 ZANN PALU VAR. PALUSTRI 1-6
    1 MYOSOTIS SCORPIOIDES (L 1-6
    1 CALLITRICHE STAGNALIS S 1-6
    1 RUMEX HYDROLAPATHUM HUD 1-6
    1 RANUNCULUS FLAMMULA L.  1-6
    1 GALIUM PALUSTRE L.      1-6
    1 SOLANUM DULCAMARA L.    1-5
    1 POTAMOGETON NATANS L.   4-6
    1 POTAMOGETON X-ZIZI MERT 4-6
    1 SPARGANIUM MINIMUM FRIE 1-6