0.32 POTAMOGETON NATANS L.   5-6
 0.39 NUPHAR LUTEUM SM.       1-6
 0.39 HOTTONIA PALUSTRIS L.   1-6
 0.41 HELODEA CANADENSIS RICH 1-6
 0.41 MYRIOPHYLLUM SPICATUM L 1-6
 0.41 SAGITTARIA SAGITTIFOLIA 1-6
 0.42 NYMPHAEA ALBA L.        1-6
 0.42 SPARGANIUM SIMPLEX HUDS 1-6
 0.45 MYRIOPHYLLUM VERTICILLA 1-6
 0.46 POTAMOGETON LUCENS L.   1-6
 0.47 RANUNCULUS CIRCINATUS S 1-6
 0.47 HYDROCHARIS MORSUS-RANA 1-6
 0.48 HOTTONIA PALUSTRIS L.   3-6
 0.49 CERATOPHYLLUM DEMERSUM  1-6
 0.49 POTAMOGETON CRISPUS L.  1-6
 0.49 SPARGANIUM SIMPLEX HUDS 3-6
 0.49 HIPPURIS VULGARIS L.    1-6
 0.49 POTAMOGETON PUSILLUS L. 1-6
 0.50 HELODEA CANADENSIS RICH 4-6
 0.51 HIPPURIS VULGARIS L.    3-6
 0.52 LEMNA TRISULCA L.       1-6
 0.52 UTRICULARIA VULGARIS L. 1-6
 0.52 LEMNA MINOR L.          1-6
 0.52 POTAMOGETON PECTINATUS  1-6
 0.53 SAGITTARIA SAGITTIFOLIA 3-6
 0.53 ALISMA NATANS L.        1-4
 0.53 UTRICULARIA MAJOR SCHMI 1-6
 0.54 CALLITRICHE OBTUSANGULA 1-6
 0.54 NUPHAR LUTEUM SM.       5-6
 0.54 POTAMOGETON LUCENS L.   4-6