eng Oriental Scientific Publishing Company Biosciences Biotechnology Research Asia 0973-1245 2016-09-25 13 3 1595 1600 10.13005/bbra/2304 15528 article Amina Mostefai 1 Hassiba Stambouli-Meziane 1 University of Tlemcen, Faculty of Science, Department of Ecology and Environment, ecology laboratory and Natural Ecosystem Management. This study is devoted to the analysis groups to Rosmarinus officinalis in the coastal region of Tlemcen. The interpretation by the correspondence analysis (A.F.C.) allowed us to identify  groups based Rosmarinus officinalis in the coastline and especially in direct relation with limestone and siliceous substrate. Rosmarinus officinalis presents a wide ecological spectrum belongs to the class of Ononido-Rosmarinetea on limestone substrate, in Cisto-Lavanduletea on siliceous substrate and finally Rosmarinea officinalis on a substrate mixture. Using phytosociological and phytodynamiques data, we could understand the evolution of this vegetation, and diversity https://www.biotech-asia.org/vol13no3/groups-of-rosmarinus-officinalis-in-litorral-of-tlemcen-region-phytosociological-aspects-and-phytoecological/ Phytosociology; phytoécologie; Rosmarinus officinalis; Tlemcen; Algeria; groups