The Syrian Flora has more than 3100 flowering plant species that belong to more than 600 genera and 130 families. Most of these species are of angiosperms with limited number from gymnosperms and pteridophytes that were described explicitly by many florist and taxonomists. The most important Flora is the one produced by P Mouterde for the flora of Syria and Lebanon. Several studies were conducted by pioneer researchers to add more information to the flora in general. The geographical location of the country can be considered to be at a crossroads between various vegetation zones which caused a wide diverse in the vegetal composition and the flora shows influences from three continents, Europe, Asia and Africa. This is reflected through the appearance of various bio-geographical attributes in the vegetation, including the Mediterranean, the Irano-Tauranian, as well as Saharo-Arabian. In addition, some special features in the geography allowed to more types to be present including the Euro-Siberian and the Sub-tropical vegetation adding a further variation to the vegetal composition. This is reflected in various types of vegetation and forests including the conifers, evergreen, and deciduous woodlands as well as steppe vegetation in the inland plateau and through the Badia with various rangeland and xerophytic covers in between the inland mountains. Watercourses have their own special riparian vegetation along the basins of various rivers. The prevailing westerly winds bring greater precipitation near the coast and the vegetation on the western side of the coastal mountain ranges differs from that on the eastern side, which differs again from inland mountain ranges and once again from the drought-resistant plants that grow on the eastern plateau.