In this paper, the forest vegetation in the Tecuci Plain (Galati County) is presented. There have been identifyed nine vegetal associations, framed out in four Classes, five Orders, and seven Alliances of vegetation. Thus, the forest vegetation is installed along the rivers, on the sand dunes, or on the hills in that region. Every association, in this paper, is accompanied by: a diagnosis, a live form’s spectrum, a fitogeographical spectrum, and a phytosociological table. Also, there are cross-references to the most significantly papers, in relation to this vegetation of the Tecuci Plain.