28 VERONICA ANAGALLIS L.   1-5
   24 CALLITRICHE OBTUSANGULA 1-6
   19 POTAMOGETON PECTINATUS  1-6
   15 CALLITRICHE OBTUSANGULA 3-6
   14 LEMNA MINOR L.          1-6
   13 VERONICA ANAGALLIS L.   2-5
   12 POTAMOGETON CRISPUS L.  1-6
   11 ZANNICHELLIA PALUSTRIS  1-6
   10 VERO ANAG SUBS AQUATICA 1-5
    9 OENANTHE PHELLANDRIUM ( 1-6
    8 RANUNCULUS TRICHOPHYLLU 1-6
    8 SIUM ERECTUM HUDSON     1-6
    7 NASTURTIUM OFFICINALE R 1-6
    7 RANUNCULUS SCELERATUS L 1-6
    7 POTAMOGETON CRISPUS L.  2-6
    7 POTAMOGETON TRICHOIDES  1-6
    6 HELODEA CANADENSIS RICH 1-6

    6 POTAMOGETON TRICHOIDES  4-6
    5 RANUNCULUS AQUATILIS L. 1-6
    5 SPARGANIUM SIMPLEX HUDS 1-6
    4 CERATOPHYLLUM DEMERSUM  1-6
    4 MYRIOPHYLLUM SPICATUM L 1-6
    4 MYRIOPHYLLUM VERTICILLA 1-6
    4 RANUNCULUS SCELERATUS L 2-6
    4 ALISMA PLANTAGO L.      1-6
    4 LEMNA GIBBA L.          1-6
    4 POTAMOGETON PUSILLUS L. 1-6
    3 NASTURTIUM OFFICINALE R 3-6
    3 RANUNCULUS AQUATILIS L. 4-6
    3 RANUNCULUS FLUITANS LAM 1-6
    3 SIUM ERECTUM HUDSON     4-6
    3 ALOPECURUS GENICULATUS  1-6
    3 POTAMOGETON CRISPUS L.  3-6
    3 AZOLLA FILICULOIDES LAM 1-6

    2 NUPHAR LUTEUM SM.       1-6
    2 RANUNCULUS CIRCINATUS S 1-6
    2 RANUNCULUS TRICHOPHYLLU 3-6
    2 VERO ANAG SUBS AQUATICA 2-5
    2 LEMNA MINOR L.          3-6
    2 LEMNA TRISULCA L.       1-6
    2 SPIRODELA POLYRRHIZA (L 1-6
    2 POTAMOGETON PECTINATUS  4-6
    2 SPARGANIUM SIMPLEX HUDS 3-6
    2 ZANN PALU VAR. PALUSTRI 1-6
    1 MYRIOPHYLLUM SPICATUM L 4-6
    1 HIPPURIS VULGARIS L.    1-6
    1 UTRICULARIA VULGARIS L. 1-6
    1 RANUNCULUS TRIPARTITUS  1-5
    1 OENANTHE FLUVIATILIS CO 1-4
    1 ALIS PLAN VAR. GRAMINIF 1-6
    1 ALOPECURUS GENICULATUS  3-6

    1 GLYCERIA ALTISSIMA (MOE 1-6
    1 GLYCERIA FLUITANS (L.)  1-6
    1 PHALARIS ARUNDINACEA L. 1-6
    1 SPIRODELA POLYRRHIZA (L 3-6
    1 POTAMOGETON COLORATUS V 1-6
    1 POTAMOGETON DENSUS L.   1-6
    1 POTAMOGETON LUCENS L.   1-6
    1 POTAMOGETON OBTUSIFOLIU 1-6
    1 POTA PUSI SUBS PANORMIT 1-6
    1 SPARGANIUM RAMOSUM CURT 1-6
    1 ZANNICHELLIA PALUSTRIS  4-6
    1 ZANN PALU VAR. PALUSTRI 6-6
    1 ZANN PALU VAR. PALUSTRI 4-6
    1 AZOLLA FILICULOIDES LAM 3-6