à POTAMOGETON FLUITANS RO 4-6 (abondant) fréquence = 14
POTAMOGETON FLUITANS RO 1-6 SALVINIA NATANS (L.) AL 1-6 NUPHAR LUTEUM SM. 5-6 POTAMOGETON X-ZIZI MERT 1-6 TYPHA ANGUSTIFOLIA L. 4-6 LEMNA MINOR L. 3-6 RICCIOCARPUS NATANS (L. 1 SCIRPUS LACUSTRIS L. 1-6 NYMPHAEA ALBA L. 1-6 POTAMOGETON PECTINATUS 4-6 POTAMOGETON LUCENS L. 4-6 POTAMOGETON COMPRESSUS 1-3 LEMNA TRISULCA L. 4-6 CERATOPHYLLUM DEMERSUM 5-6
à POTAMOGETON FLUITANS RO 1-6 (présent) fréquence = 59
POTAMOGETON FLUITANS RO 4-6 MYRIOPHYLLUM SPICATUM L 1-6 RANUNCULUS CIRCINATUS S 1-6 HELODEA CANADENSIS RICH 4-6 POTAMOGETON CRISPUS L. 1-6 MYRIOPHYLLUM VERTICILLA 1-6 ALISMA NATANS L. 1-4 POTAMOGETON PERFOLIATUS 1-6 RANUNCULUS AQUATILIS L. 1-6 SPARGANIUM SIMPLEX HUDS 3-6 SAGITTARIA SAGITTIFOLIA 3-6 POTAMOGETON NATANS L. 3-6 HIPPURIS VULGARIS L. 1-6 CALLITRICHE OBTUSANGULA 3-6