Genus Staurastrum Staurastrum cingulum Staurastrum cingulum Staurastrum cingulum Staurastrum furcigerum Staurastrum furcigerum Staurastrum furcigerum Staurastrum gladiosum Staurastrum gladiosum Staurastrum gladiosum Staurastrum inflexum Staurastrum inflexum Staurastrum inflexum Staurastrum pentasterias Staurastrum pentasterias Staurastrum pentasterias Staurastrum punctulatum Staurastrum punctulatum Staurastrum punctulatum Staurastrum spongiosum Staurastrum spongiosum Staurastrum spongiosum
freshwater life procaryota algae plants protists "worms" molluscs arthropods marine life mediterranean tropical misc impresssum plingfactory