0.36 HELODEA CANADENSIS RICH 1-6
 0.36 POTAMOGETON CRISPUS L.  3-6
 0.41 POTAMOGETON PECTINATUS  1-6
 0.41 POTAMOGETON PUSILLUS L. 1-6
 0.42 HELODEA CANADENSIS RICH 4-6
 0.42 MYRIOPHYLLUM SPICATUM L 1-6
 0.44 CERATOPHYLLUM DEMERSUM  1-6
 0.44 RANUNCULUS CIRCINATUS S 1-6
 0.46 POTAMOGETON PERFOLIATUS 1-6
 0.47 CALLITRICHE OBTUSANGULA 1-6
 0.47 RANUNCULUS CIRCINATUS S 3-6
 0.48 POTAMOGETON PECTINATUS  4-6
 0.48 NUPHAR LUTEUM SM.       1-6
 0.49 POTAMOGETON NATANS L.   1-6
 0.49 SAGITTARIA SAGITTIFOLIA 1-6
 0.50 MYRIOPHYLLUM VERTICILLA 1-6
 0.50 SPARGANIUM SIMPLEX HUDS 1-6
 0.51 POTAMOGETON LUCENS L.   1-6
 0.51 POTAMOGETON PUSILLUS L. 3-6
 0.53 HOTTONIA PALUSTRIS L.   1-6
 0.53 MYRIOPHYLLUM SPICATUM L 4-6
 0.53 ZANNICHELLIA PALUSTRIS  1-6
   0.54 NAIAS MAJOR ALL.        1-6
 0.54 CALLITRICHE OBTUSANGULA 3-6
 0.55 HOTTONIA PALUSTRIS L.   3-6
 0.55 HYDROCHARIS MORSUS-RANA 1-6
   0.56 POTAMOGETON MUCRONATUS  1-5
 0.56 SAGITTARIA SAGITTIFOLIA 3-6
 0.57 POTAMOGETON DENSUS L.   1-6
 0.58 POTAMOGETON TRICHOIDES  1-6