0.40 POTAMOGETON OBTUSIFOLIU 4-6
 0.54 POTAMOGETON LUCENS L.   1-6
 0.56 NAIAS MINOR ALL.        1-6
 0.57 POTAMOGETON LUCENS L.   4-6
 0.58 NYMPHAEA ALBA L.        1-6
 0.59 POTAMOGETON NATANS L.   1-6
 0.59 TRAPA NATANS L.         1-6
 0.60 UTRICULARIA MAJOR SCHMI 1-6
 0.60 NUPHAR LUTEUM SM.       1-6
 0.61 POTAMOGETON TRICHOIDES  1-6
 0.61 MYRIOPHYLLUM SPICATUM L 1-6
 0.61 SAGITTARIA SAGITTIFOLIA 1-6
 0.62 HOTTONIA PALUSTRIS L.   1-6
 0.63 POTAMOGETON CRISPUS L.  1-6
 0.63 HOTTONIA PALUSTRIS L.   3-6
   0.63 NAIAS MAJOR ALL.        1-6
 0.64 CERATOPHYLLUM DEMERSUM  1-6
 0.64 RANUNCULUS AQUATILIS L. 1-6
 0.64 MYRIOPHYLLUM VERTICILLA 1-6
 0.64 MYRIOPHYLLUM SPICATUM L 4-6
 0.64 HELODEA CANADENSIS RICH 1-6
 0.65 SPARGANIUM SIMPLEX HUDS 1-6
 0.65 POTAMOGETON PECTINATUS  1-6
 0.65 POTAMOGETON PERFOLIATUS 1-6
 0.66 HELODEA CANADENSIS RICH 4-6
 0.67 NYMPHAEA ALBA L.        5-6
 0.67 RANUNCULUS CIRCINATUS S 1-6
 0.67 LEMNA MINOR L.          1-6
 0.67 SAGITTARIA SAGITTIFOLIA 3-6
 0.67 POTAMOGETON PUSILLUS L. 1-6