'DIe floristic composition and stmcnIre of tbe forest vegetation of southwestem Etluopia between altinIdes 1050 torn2500 m are described. Sample plots of 30 m x 30 m were taken for woody plants and 2 m x 2 m for herbaceous andrnbambeo plants. A total of 101 sample plots were analyzed. The cover-abundance values for trees, shrubs and herbsrnwitltin the sample plots were estimated. All trees and shrubs with diameter at breast height (DBH), i.e, 1.3 m of 164,025 mm') leaf sizesrnare shared by less than 20% of tlle species. Only mesophylls are present in Arundinaria a/pina community type.