0.30 POTAMOGETON PERFOLIATUS 3-6
 0.43 MYRIOPHYLLUM SPICATUM L 1-6
 0.46 POTAMOGETON PECTINATUS  1-6
 0.46 POTAMOGETON CRISPUS L.  1-6
 0.47 RANUNCULUS CIRCINATUS S 1-6
 0.48 HELODEA CANADENSIS RICH 1-6
 0.49 POTAMOGETON LUCENS L.   1-6
 0.51 MYRIOPHYLLUM VERTICILLA 1-6
 0.51 RANUNCULUS CIRCINATUS S 3-6
 0.51 POTAMOGETON PUSILLUS L. 1-6
 0.51 NUPHAR LUTEUM SM.       1-6
 0.52 CERATOPHYLLUM DEMERSUM  1-6
 0.52 MYRIOPHYLLUM SPICATUM L 4-6
   0.53 NAIAS MAJOR ALL.        1-6
 0.53 SAGITTARIA SAGITTIFOLIA 1-6
 0.55 HELODEA CANADENSIS RICH 4-6
 0.55 POTAMOGETON PECTINATUS  4-6
 0.56 CALLITRICHE OBTUSANGULA 1-6
 0.56 SPARGANIUM SIMPLEX HUDS 1-6
   0.57 POTAMOGETON ZIZI MERT.  1-6
 0.57 POTAMOGETON PUSILLUS L. 3-6
   0.57 NAIAS MAJOR ALL.        4-6
 0.59 POTAMOGETON NATANS L.   1-6
 0.59 SAGITTARIA SAGITTIFOLIA 3-6
 0.59 POTAMOGETON LUCENS L.   4-6
   0.59 POTAMOGETON MUCRONATUS  1-5
 0.60 POTAMOGETON DENSUS L.   1-6
 0.60 HOTTONIA PALUSTRIS L.   1-6
   0.60 NYMPHOIDES PELTATA (GME 1-6
 0.63 CALLITRICHE OBTUSANGULA 3-6