0.30 POTAMOGETON DENSUS L.   3-6
 0.42 SPARGANIUM SIMPLEX HUDS 1-6
 0.43 HELODEA CANADENSIS RICH 1-6
 0.47 POTAMOGETON PUSILLUS L. 1-6
 0.50 SPARGANIUM SIMPLEX HUDS 3-6
 0.52 RANUNCULUS CIRCINATUS S 1-6
 0.52 HELODEA CANADENSIS RICH 4-6
 0.52 SIUM ERECTUM HUDSON     1-6
 0.53 HOTTONIA PALUSTRIS L.   1-6
 0.53 HIPPURIS VULGARIS L.    1-6
 0.53 SAGITTARIA SAGITTIFOLIA 1-6
 0.54 RANUNCULUS CIRCINATUS S 3-6
 0.54 POTAMOGETON PUSILLUS L. 3-6
 0.54 MYRIOPHYLLUM SPICATUM L 1-6
 0.55 POTAMOGETON PECTINATUS  1-6
   0.55 LUDWIGIA PALUSTRIS (L.) 1-6
 0.56 POTAMOGETON NATANS L.   1-6
 0.56 RANUNCULUS TRICHOPHYLLU 1-5
 0.57 POTAMOGETON CRISPUS L.  1-6
 0.57 CALLITRICHE OBTUSANGULA 1-6
 0.58 SIUM ERECTUM HUDSON     4-6
 0.58 POTAMOGETON NATANS L.   5-6
 0.59 HIPPURIS VULGARIS L.    3-6
 0.59 ZANNICHELLIA PALUSTRIS  1-6
 0.59 ALISMA NATANS L.        3-4
 0.59 SAGITTARIA SAGITTIFOLIA 3-6
 0.60 POTAMOGETON PERFOLIATUS 1-6
 0.60 POTAMOGETON PECTINATUS  4-6
 0.61 MYRIOPHYLLUM VERTICILLA 1-6
 0.61 NUPHAR LUTEUM SM.       1-6