0.41 NYMPHAEA ALBA L.        5-6
 0.42 POTAMOGETON NATANS L.   1-6
 0.43 POTAMOGETON LUCENS L.   1-6
 0.43 NUPHAR LUTEUM SM.       1-6
 0.50 MYRIOPHYLLUM VERTICILLA 1-6
 0.51 MYRIOPHYLLUM SPICATUM L 1-6
 0.51 HOTTONIA PALUSTRIS L.   1-6
 0.52 UTRICULARIA MAJOR SCHMI 1-6
 0.53 SAGITTARIA SAGITTIFOLIA 1-6
 0.53 POTAMOGETON LUCENS L.   4-6
 0.54 HYDROCHARIS MORSUS-RANA 1-6
 0.55 SPARGANIUM SIMPLEX HUDS 1-6
 0.55 CERATOPHYLLUM DEMERSUM  1-6
 0.56 UTRICULARIA VULGARIS L. 1-6
 0.57 NUPHAR LUTEUM SM.       5-6
 0.57 RANUNCULUS CIRCINATUS S 1-6
 0.58 SCIRPUS LACUSTRIS L.    1-6
 0.58 HELODEA CANADENSIS RICH 1-6
 0.58 LEMNA MINOR L.          1-6
 0.58 MYRIOPHYLLUM VERTICILLA 4-6
 0.58 POTAMOGETON OBTUSIFOLIU 1-6
 0.59 HIPPURIS VULGARIS L.    1-6
 0.59 HOTTONIA PALUSTRIS L.   3-6
 0.59 LEMNA TRISULCA L.       1-6
 0.59 POTAMOGETON PECTINATUS  1-6
 0.59 POTAMOGETON NATANS L.   5-6
 0.60 POTAMOGETON CRISPUS L.  1-6
 0.60 TRAPA NATANS L.         1-6
 0.61 SPARGANIUM SIMPLEX HUDS 3-6
 0.61 HIPPURIS VULGARIS L.    3-6