Biteyu Forest is located at the edge of the western escarpment of the Gurage mountain chain.rnThis forest is probably one of the forest patches that were once widespread on the centralrnplateaux of Shewa. In this study vegetation composition of the forest following altitudinalrngradients was performed. Sixty, 20 m x 20 m quadrats were selected and all the plants in thernquadrats were recorded. Cover abundance value of all the species was estimated. Thernvegetation data was analyzed using the program SYNTAX (Podani, 1998) to identify therncommunity types. Six community types were identified and named after two or three dominantrnspecies. Shannon-Wiener diversity index were computed to measure species diversity in arncomunity. One-way analysis of Variance (ANOVA) was used to test the difference inrncommunities in relation to environmental parameters along the altitudinal gradient includingrnsoil properties (pH, texture and electrical conductivity), altitude, slope and aspect. Height andrnDBH of the woody species in all the quadrats were taken.rn177 species belonging to 143 genera and 68 families were identified. Shannon-Wienerrndiversity index revealed that species diversity is high in communities 1, 4 and 2 respectively.rnThis is probably due to high rate of disturbance in the communities. Statistical analysisrn(ANOVA) have shown that the difference in communities might partly be explained by thernvariation in altitude, slope and soil properties at p< 0.05 level of significance with thernexception of aspect and silt. Height and DBH class measurement indicated that most of thernwoody species in the forest are confined in the lowest class distribution. SÃ¸resenâ€™s similarityrncoefficient showed the similarity of the forest with Menagesha-Suba forest in floristicrncomposition.