0.27 CERATOPHYLLUM DEMERSUM  5-6
 0.36 MYRIOPHYLLUM VERTICILLA 1-6
 0.37 RANUNCULUS CIRCINATUS S 1-6
 0.39 NUPHAR LUTEUM SM.       1-6
 0.39 MYRIOPHYLLUM SPICATUM L 1-6
 0.41 HELODEA CANADENSIS RICH 1-6
 0.43 RANUNCULUS CIRCINATUS S 3-6
 0.44 POTAMOGETON CRISPUS L.  1-6
 0.44 POTAMOGETON LUCENS L.   1-6
   0.47 NAIAS MAJOR ALL.        1-6
 0.47 HYDROCHARIS MORSUS-RANA 1-6
 0.48 POTAMOGETON PECTINATUS  1-6
 0.49 POTAMOGETON NATANS L.   1-6
 0.50 MYRIOPHYLLUM VERTICILLA 4-6
 0.50 HELODEA CANADENSIS RICH 4-6
 0.50 POTAMOGETON PUSILLUS L. 1-6
 0.50 CALLITRICHE OBTUSANGULA 1-6
 0.50 SAGITTARIA SAGITTIFOLIA 1-6
 0.51 MYRIOPHYLLUM SPICATUM L 4-6
 0.52 POTAMOGETON PERFOLIATUS 1-6
 0.52 NUPHAR LUTEUM SM.       5-6
 0.52 HOTTONIA PALUSTRIS L.   1-6
 0.53 SPIRODELA POLYRRHIZA (L 1-6
 0.54 LEMNA TRISULCA L.       1-6
 0.54 CALLITRICHE OBTUSANGULA 3-6
 0.54 HIPPURIS VULGARIS L.    1-6
   0.54 NYMPHOIDES PELTATA (GME 1-6
 0.54 HIPPURIS VULGARIS L.    3-6
 0.55 NYMPHAEA ALBA L.        1-6
 0.55 SPARGANIUM SIMPLEX HUDS 1-6