Fluoristic study of the tidal zones of Bushehr province coasts

820 km north of the Persian Gulf is often rocky, coral and sedimentary, suitable for deploying diverse groups of marine plants, including microalgae, macroalgae and Tracheophyta and is adjacent to 7 out of the total 10 counties in Bushehr province. The Marin plants are economically important not only as feed and fodder, but also are medicinally, industrially and pharmaceutically important. Sampling of coastal marine plants, from the vegetative to reproductive stages, was carried out for five years and seasonally. The collected samples of seagrasses and seaweeds were preserve in a 4% Formalin-seawater solution in glass containers and from the rest of the collected samples was made dry herbarium specimens. Identification of vascular plants, microalgae and macroalgae was done based on morphological (vegetative and reproductive) characters using different sources. In this study, a total of 45 families of marine plants were identified. The identified samples included 40 macroalgae families with 146 species of 71 genus, 2 microalgae families with 4 species of 4 genus and 3 families belonging to vascular plants (tracheophyta) with 3 species and 3 genus. Among the identified macroalgae, green macroalgae with 34 species had the lowest and red macroalgae with 73 species had the highest species richness. Maximum and minimum species diversity belonged to Sargaceae family with 23 species and Cladophoraceae family with 12 species. Overall, the aim of this project was to study marine floristic and coherent reference writing of marine plants grown on the tidal zones of Bushehr province coasts.