FRQ
   59 NAIAS MINOR ALL.        1-6
   36 NAIAS MINOR ALL.        3-6
   29 NAIAS MAJOR ALL.        1-6
   21 NUPHAR LUTEUM SM.       1-6
   17 CERATOPHYLLUM DEMERSUM  1-6
   16 POTAMOGETON OBTUSIFOLIU 1-6
   16 POTAMOGETON LUCENS L.   1-6
   16 NAIAS MINOR ALL.        4-6
   13 POTAMOGETON TRICHOIDES  1-6
   13 NUPHAR LUTEUM SM.       4-6
   11 NAIAS MAJOR ALL.        4-6
   10 MYRIOPHYLLUM SPICATUM L 1-6
    9 POTAMOGETON CRISPUS L.  1-6
    9 TRAPA NATANS L.         1-6

    8 RANUNCULUS TRICHOPHYLLU 1-6
    7 POTAMOGETON PECTINATUS  1-6
    7 POTAMOGETON OBTUSIFOLIU 4-6
    5 ZANNICHELLIA PALUSTRIS  1-6
    5 POTAMOGETON X-ZIZI MERT 1-6
    5 POTAMOGETON PERFOLIATUS 1-6
    5 TRAPA NATANS L.         4-6
    4 PASPALUM DISTICHUM L.   1-6
    4 CERATOPHYLLUM DEMERSUM  4-6
    3 POTAMOGETON X-ZIZI MERT 4-6
    3 POTAMOGETON PERFOLIATUS 3-6
    2 HELODEA CANADENSIS RICH 1-6
    2 RANUNCULUS TRICHOPHYLLU 3-6
    2 RANUNCULUS CIRCINATUS S 1-6

    2 HIPPURIS VULGARIS L.    1-6
    1 MARSILIA QUADRIFOLIATA  1-6
    1 POTAMOGETON PUSILLUS L. 1-6
    1 POTAMOGETON PUSILLUS L. 3-6
    1 POTAMOGETON PECTINATUS  4-6
    1 POTAMOGETON LUCENS L.   4-6
    1 POTAMOGETON FLUITANS RO 1-6
    1 POTAMOGETON COMPRESSUS  1-3
    1 POTAMOGETON ACUTIFOLIUS 1-6
    1 POTAMOGETON ACUTIFOLIUS 4-6
    1 SPIRODELA POLYRRHIZA (L 1-6
    1 LEMNA MINOR L.          1-6
    1 ARUNDO PHRAGMITES L.    1-6
    1 ARUNDO PHRAGMITES L.    4-6

    1 SCIRPUS ACICULARIS L.   1-6
    1 SAGITTARIA SAGITTIFOLIA 1-6
    1 ALISMA PLANTAGO L.      1-6
    1 RANUNCULUS CIRCINATUS S 3-6
    1 POLYGONUM AMPHIBIUM L.  1-6
    1 NYMPHOIDES PELTATA (GME 1-6
    1 UTRICULARIA MAJOR SCHMI 1-6
    1 MYRIOPHYLLUM SPICATUM L 4-6
    1 MYRIOPHYLLUM ALTERNIFLO 1-6
    1 ELATINE TRIANDRA SCHK.  1-6
    1 CALLITRICHE OBTUSANGULA 1-6