FRQ
   26 MYOSOTIS SCORPIOIDES (L 1-6
   21 MYOS SCOR SUBS PALUSTRI 1-6
   16 LEMNA MINOR L.          1-6
   14 POTAMOGETON PECTINATUS  1-6
   13 SPARGANIUM SIMPLEX HUDS 1-6
   13 CERATOPHYLLUM DEMERSUM  1-6
   12 HELODEA CANADENSIS RICH 1-6
   12 CALLITRICHE OBTUSANGULA 1-6
   10 MYRIOPHYLLUM SPICATUM L 1-6
    7 SPIRODELA POLYRRHIZA (L 1-6
    7 SIUM ERECTUM HUDSON     1-6
    6 MYRIOPHYLLUM VERTICILLA 1-6
    6 NASTURTIUM OFFICINALE R 1-6
    5 LEMNA GIBBA L.          1-6
    5 RANUNCULUS FLUITANS LAM 1-6

    5 NUPHAR LUTEUM SM.       1-6
    5 CALLITRICHE OBTUSANGULA 3-6
    5 MYOSOTIS SCORPIOIDES (L 2-6
    4 POTAMOGETON PERFOLIATUS 1-6
    4 POTAMOGETON PECTINATUS  4-6
    4 LEMNA MINOR L.          3-6
    4 HELODEA CANADENSIS RICH 4-6
    4 RANUNCULUS CIRCINATUS S 1-6
    4 CERATOPHYLLUM DEMERSUM  4-6
    3 POTAMOGETON PUSILLUS L. 1-6
    3 POTAMOGETON MUCRONATUS  1-5
    3 POTAMOGETON LUCENS L.   1-6
    3 POTAMOGETON DENSUS L.   1-6
    3 POTAMOGETON CRISPUS L.  1-6
    3 LEMNA TRISULCA L.       1-6

    3 BUTOMUS UMBELLATUS L.   1-6
    3 SOLANUM DULCAMARA L.    1-5
    2 AZOLLA FILICULOIDES LAM 1-6
    2 SPARGANIUM SIMPLEX HUDS 3-6
    2 POTAMOGETON NATANS L.   1-6
    2 POTAMOGETON MUCRONATUS  3-5
    2 SPIRODELA POLYRRHIZA (L 3-6
    2 HYDROCHARIS MORSUS-RANA 1-6
    2 SAGITTARIA SAGITTIFOLIA 1-6
    2 VERONICA BECCABUNGA L.  1-6
    2 MENTHA AQUATICA L.      1-6
    2 HIPPURIS VULGARIS L.    1-6
    2 MYOS SCOR SUBS PALUSTRI 2-6
    1 AZOLLA FILICULOIDES LAM 3-6
    1 ZANNICHELLIA PALUSTRIS  1-6

    1 TYPHA LATIFOLIA L.      1-6
    1 SPARGANIUM RAMOSUM CURT 1-6
    1 POTAMOGETON DENSUS L.   3-6
    1 IRIS PSEUDACORUS L.     1-6
    1 ARUNDO PHRAGMITES L.    1-6
    1 ALISMA PLANTAGO L.      1-6
    1 RANUNCULUS TRICHOPHYLLU 1-6
    1 RANUNCULUS CIRCINATUS S 3-6
    1 LYSIMACHIA NUMMULARIA L 1-6
    1 MYRIOPHYLLUM SPICATUM L 4-6
    1 RORIPA AMPHIBIA (L.) BE 1-6
    1 CALLITRICHE STAGNALIS S 1-6