“…R. drepanesis is a very common vascular macrophyte in shallow temporary salt lakes of the La Mancha region, in Central Spain, (Priebe and Florı´n, 1994)), these primary producer communities do not seem to be important in the global functioning of these systems since macrophytes were present only in one of them (Pin˜ol) and, in terms of biomass, its contribution was very low.…”