FRQ
   21 SCIRPUS LACUSTRIS L.    1-6
   15 NUPHAR LUTEUM SM.       1-6
   11 SCIRPUS LACUSTRIS L.    3-6
   10 POTAMOGETON LUCENS L.   1-6
    8 NYMPHAEA ALBA L.        1-6
    6 POTAMOGETON LUCENS L.   4-6
    5 TYPHA ANGUSTIFOLIA L.   1-6
    5 LEMNA MINOR L.          1-6
    5 HOTTONIA PALUSTRIS L.   1-6
    4 POTAMOGETON ACUTIFOLIUS 1-6

    4 SPIRODELA POLYRRHIZA (L 1-6
    4 SAGITTARIA SAGITTIFOLIA 1-6
    4 UTRICULARIA MAJOR SCHMI 1-6
    3 SPARGANIUM RAMOSUM CURT 1-6
    3 RANUNCULUS TRICHOPHYLLU 1-6
    3 NUPHAR LUTEUM SM.       4-6
    3 MYRIOPHYLLUM VERTICILLA 1-6
    3 MYRIOPHYLLUM SPICATUM L 1-6
    3 CERATOPHYLLUM DEMERSUM  1-6
    2 POTAMOGETON PERFOLIATUS 1-6

    2 POTAMOGETON NATANS L.   1-6
    2 TRAPA NATANS L.         1-6
    2 RANU TRIC VAR. TRICHOPH 1-6
    2 POLYGONUM AMPHIBIUM L.  1-6
    2 CERATOPHYLLUM DEMERSUM  4-6
    1 EQUISETUM LIMOSUM (L.)  1-6
    1 TYPHA ANGUSTIFOLIA L.   4-6
    1 SPARGANIUM RAMOSUM CURT 3-6
    1 POTAMOGETON PECTINATUS  1-6
    1 POTAMOGETON OBTUSIFOLIU 1-6

    1 POTAMOGETON ACUTIFOLIUS 4-6
    1 LEMNA TRISULCA L.       1-6
    1 HELODEA CANADENSIS RICH 1-6
    1 CAREX VESICARIA L.      1-6
    1 SAGITTARIA SAGITTIFOLIA 3-6
    1 ALISMA PLANTAGO L.      1-6
    1 NYMPHAEA ALBA L.        5-6