62 LEMNA MINOR L.          1-6
   54 RANUNCULUS AQUATILIS L. 1-6
   48 GLYCERIA FLUITANS (L.)  1-6
   40 CALLITRICHE HAMULATA KU 1-6
   29 CALLITRICHE STAGNALIS S 1-6
   26 LEMNA MINOR L.          3-6
   25 HELODEA CANADENSIS RICH 1-6
   23 RANUNCULUS AQUATILIS L. 4-6
   23 SPARGANIUM SIMPLEX HUDS 1-6
   21 CALLITRICHE OBTUSANGULA 1-6
   18 CALLITRICHE HAMULATA KU 3-6
   18 LEMNA TRISULCA L.       1-6
   16 POTAMOGETON CRISPUS L.  1-6
   15 SPIRODELA POLYRRHIZA (L 1-6
   14 HOTTONIA PALUSTRIS L.   1-6
   13 CALLITRICHE STAGNALIS S 3-6
   13 POTAMOGETON NATANS L.   1-6
   12 CALLITRICHE OBTUSANGULA 3-6
   10 HOTTONIA PALUSTRIS L.   3-6

   10 POTAMOGETON CRISPUS L.  2-6
    9 POTAMOGETON CRISPUS L.  3-6
    9 SPARGANIUM RAMOSUM CURT 1-6
    8 RORIPA AMPHIBIA (L.) BE 1-6
    8 SIUM ERECTUM HUDSON     1-6
    8 GLYCERIA FLUITANS (L.)  3-6
    8 POTAMOGETON PECTINATUS  1-6
    7 UTRICULARIA MAJOR SCHMI 1-6
    7 ALISMA PLANTAGO L.      1-6
    6 LEMNA GIBBA L.          1-6
    6 SPIRODELA POLYRRHIZA (L 3-6
    6 POTAMOGETON DENSUS L.   1-6
    6 POTAMOGETON POLYGONIFOL 1-6
    5 NASTURTIUM OFFICINALE R 1-6
    5 OENANTHE FLUVIATILIS CO 1-4
    5 SCIRPUS PALUSTRIS L.    1-6
    5 HELODEA CANADENSIS RICH 4-6
    5 HYDROCHARIS MORSUS-RANA 1-6
    5 POTAMOGETON PUSILLUS L. 1-6

    4 CALLITRICHE PEDUNCULATA 1-6
    4 RANU TRIC VAR. DOUETI F 1-5
    4 LEMNA TRISULCA L.       4-6
    4 POTAMOGETON NATANS L.   4-6
    4 SPARGANIUM SIMPLEX HUDS 3-6
    3 MYRIOPHYLLUM SPICATUM L 1-6
    3 RANUNCULUS CIRCINATUS S 1-6
    3 ALISMA PLANTAGO L.      2-6
    3 GLYCERIA ALTISSIMA (MOE 1-6
    3 GLYC FLUI VAR. PLICATA  3-6
    3 GLYC FLUI VAR. PLICATA  1-6
    3 LEMNA GIBBA L.          4-6
    3 POTAMOGETON PECTINATUS  4-6
    2 POTAMOGETON DENSUS L.   3-6
    1 MYRIOPHYLLUM ALTERNIFLO 1-6
    1 UTRICULARIA MAJOR SCHMI 3-6
    1 NUPHAR LUTEUM SM.       4-6
    1 NUPHAR LUTEUM SM.       1-6
    1 POLYGONUM AMPHIBIUM L.  1-6

    1 MONTIA RIVULARIS GMEL.  1-6
    1 RANUNCULUS TRICHOPHYLLU 3-6
    1 GALIUM PALUSTRE L.      1-6
    1 VERONICA BECCABUNGA L.  1-6
    1 APIUM NODIFLORUM (L.) L 1-6
    1 OENANTHE FLUVIATILIS CO 3-4
    1 OENANTHE PHELLANDRIUM ( 1-6
    1 SIUM ERECTUM HUDSON     4-6
    1 SCIRPUS LACUSTRIS L.    1-6
    1 PHALARIS ARUNDINACEA L. 1-6
    1 POTAMOGETON COLORATUS V 4-6
    1 POTAMOGETON COLORATUS V 1-6
    1 POTAMOGETON POLYGONIFOL 4-6
    1 SPARGANIUM RAMOSUM CURT 3-6
    1 SPAR RAMO SUBS NEGLECTU 1-6
    1 ZANNICHELLIA PALUSTRIS  4-6
    1 ZANNICHELLIA PALUSTRIS  1-6