43 GLYCERIA FLUITANS (L.)  1-6
   32 LEMNA MINOR L.          1-6
   25 RANUNCULUS AQUATILIS L. 1-6
   15 HELODEA CANADENSIS RICH 1-6
   14 RANUNCULUS AQUATILIS L. 4-6
   14 LEMNA TRISULCA L.       1-6
   12 LEMNA MINOR L.          3-6
   12 SPIRODELA POLYRRHIZA (L 1-6
   10 CALLITRICHE OBTUSANGULA 1-6
    9 CALLITRICHE HAMULATA KU 1-6
    8 GLYCERIA FLUITANS (L.)  3-6
    7 SPARGANIUM SIMPLEX HUDS 1-6
    6 POTAMOGETON DENSUS L.   1-6
    6 POTAMOGETON NATANS L.   1-6
    5 CALLITRICHE HAMULATA KU 3-6

    5 CALLITRICHE OBTUSANGULA 3-6
    5 SCIRPUS PALUSTRIS L.    1-6
    5 HELODEA CANADENSIS RICH 4-6
    5 HYDROCHARIS MORSUS-RANA 1-6
    5 SPARGANIUM RAMOSUM CURT 1-6
    4 CALLITRICHE PEDUNCULATA 1-6
    4 CALLITRICHE STAGNALIS S 1-6
    4 RORIPA AMPHIBIA (L.) BE 1-6
    4 RANU TRIC VAR. DOUETI F 1-5
    4 ALISMA PLANTAGO L.      1-6
    4 LEMNA GIBBA L.          1-6
    4 SPIRODELA POLYRRHIZA (L 3-6
    4 POTAMOGETON CRISPUS L.  1-6
    4 POTAMOGETON PECTINATUS  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 CRISPUS L.  3-6
    3 POTAMOGETON CRISPUS L.  2-6
    2 LEMNA TRISULCA L.       4-6
    2 POTAMOGETON DENSUS L.   3-6
    2 POTAMOGETON PECTINATUS  4-6
    2 POTAMOGETON POLYGONIFOL 1-6
    1 NASTURTIUM OFFICINALE R 1-6
    1 MYRIOPHYLLUM SPICATUM L 1-6
    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 HOTTONIA PALUSTRIS L.   3-6
    1 HOTTONIA PALUSTRIS L.   1-6
    1 RANUNCULUS TRICHOPHYLLU 3-6
    1 GALIUM PALUSTRE L.      1-6
    1 APIUM NODIFLORUM (L.) L 1-6
    1 OENANTHE FLUVIATILIS CO 1-4
    1 OENANTHE PHELLANDRIUM ( 1-6
    1 SIUM ERECTUM HUDSON     1-6
    1 SCIRPUS LACUSTRIS L.    1-6
    1 PHALARIS ARUNDINACEA L. 1-6
    1 POTAMOGETON NATANS L.   4-6
    1 POTAMOGETON PUSILLUS L. 1-6
    1 SPARGANIUM SIMPLEX HUDS 3-6