0.40 POTAMOGETON TRICHOIDES  5-6
 0.52 TRAPA NATANS L.         1-6
 0.58 POTAMOGETON CRISPUS L.  1-6
 0.58 CERATOPHYLLUM DEMERSUM  1-6
 0.61 POTAMOGETON OBTUSIFOLIU 1-6
 0.61 NUPHAR LUTEUM SM.       1-6
 0.62 POTAMOGETON LUCENS L.   1-6
 0.62 MYRIOPHYLLUM SPICATUM L 1-6
 0.62 POTAMOGETON NATANS L.   1-6
 0.63 HELODEA CANADENSIS RICH 1-6
 0.63 POTAMOGETON CRISPUS L.  3-6
   0.63 NAIAS MAJOR ALL.        1-6
 0.63 CERATOPHYLLUM DEMERSUM  5-6
 0.63 MYRIOPHYLLUM VERTICILLA 1-6
 0.63 MYRIOPHYLLUM SPICATUM L 4-6
 0.64 SAGITTARIA SAGITTIFOLIA 1-6
 0.64 RANUNCULUS CIRCINATUS S 1-6
 0.64 POTAMOGETON PUSILLUS L. 1-6
 0.65 RANUNCULUS CIRCINATUS S 3-6
 0.65 HELODEA CANADENSIS RICH 4-6
 0.65 POTAMOGETON PERFOLIATUS 1-6
 0.65 POTAMOGETON PECTINATUS  1-6
 0.66 NAIAS MINOR ALL.        1-6
 0.67 NYMPHAEA ALBA L.        1-6
 0.67 SAGITTARIA SAGITTIFOLIA 3-6
 0.67 TRAPA NATANS L.         5-6
 0.68 HOTTONIA PALUSTRIS L.   1-6
 0.68 HOTTONIA PALUSTRIS L.   3-6
 0.69 POTAMOGETON LUCENS L.   4-6
 0.69 HYDROCHARIS MORSUS-RANA 1-6