Floristic list of seaweeds collected in 21 stations in the Mar Piccolo of Taranto in July 2001. In July 2001, sampling activities were carried out throughout the Mar Piccolo of Taranto, to evaluate the biodiversity in terms of phytobenthic species. Twenty-one stations were monitored, 11 in the First Inlet and 10 in the Second Inlet. A total of 45 taxa were recorded: 8 Chlorophyta, 5 Ochrophyta, 32 Rhodophyta. No Tracheophyta was recorded. 5 species were non-indigenous (NIS). Updating of the current species nomenclature was performed according to Algaebase (https://www.algaebase.org) and the original taxonomic binomial was reported