0.39 ZANNICHELLIA PALUSTRIS  4-6
   0.40    VAR. PALUSTRIS       1-6
 0.48 POTAMOGETON PECTINATUS  1-6
 0.49 POTAMOGETON PUSILLUS L. 1-6
 0.53 POTAMOGETON PUSILLUS L. 3-6
 0.53 POTAMOGETON CRISPUS L.  1-6
 0.54 POTAMOGETON PECTINATUS  4-6
 0.56 HELODEA CANADENSIS RICH 1-6
 0.58 CALLITRICHE OBTUSANGULA 1-6
 0.59 POTAMOGETON DENSUS L.   1-6
 0.59 HELODEA CANADENSIS RICH 4-6
 0.60 MYRIOPHYLLUM SPICATUM L 1-6
 0.60 SPARGANIUM SIMPLEX HUDS 1-6
 0.61 POTAMOGETON CRISPUS L.  3-6
 0.62 RANUNCULUS TRICHOPHYLLU 1-5
 0.62 RANUNCULUS CIRCINATUS S 1-6
 0.63 POTAMOGETON NATANS L.   1-6
 0.63 RANUNCULUS CIRCINATUS S 3-6
 0.63 SAGITTARIA SAGITTIFOLIA 1-6
 0.64 POTAMOGETON PERFOLIATUS 1-6
   0.65    RACE OCCIDENTALIS RY 1-6
 0.65 CALLITRICHE OBTUSANGULA 3-6
 0.65 MYRIOPHYLLUM VERTICILLA 1-6
 0.65 NUPHAR LUTEUM SM.       1-6
 0.65 HOTTONIA PALUSTRIS L.   1-6
 0.65 CERATOPHYLLUM DEMERSUM  1-6
 0.66 HIPPURIS VULGARIS L.    1-6
 0.66 SPARGANIUM SIMPLEX HUDS 3-6
   0.66    VAR. PALUSTRIS       6-6
 0.66 HOTTONIA PALUSTRIS L.   3-6