Platamona pond is the object of the present study. Platamona
pond is a coastal fresh water pond situated in N.W. Sardinia.
Concerning the flore the presence of Utricularia vulgaris L. was revealed; it is the first pointing out of this species in Sardinia.
Vegetation analisis, carried out by the fitosociological method, put in evidence the presence of three association: Phragmitetum communis Pignatti, 1935; Scirpo-Phragmitetum mediterraneum Tx. et Preising, 1942, Cladietum marisci Zobrist, 1935; Spatial
distribution of the above association is showed in a vegetation chart. Comparing with the present one a 1962 flore and vegetation study of the same pond it was noted that no sostanzial modification of the vegetation disposition took place during the late twenty three years.
This is noteworthy because this area is subject to a strong antropic pressure
