A Survey was conducted on diversity of orchids in different types of vegetations in Sringeri taluk during 2009-2010. A total of 62 species belonging to
31 genera were recorded, of which 53 were epiphytic and nine were terrestrial. Maximum numbers of orchid species were found belong iduous forest. Grasslands contribute 16 species of orchids belonging to 6 genera. Dendrobium arnd Habenaria are the largest in mojnresenting seven species. The Sarcanthus pauciflorus is the most abundant species (22.40), having highest SIV (60.53) and has gene onsity (14.00). The recorded orchid species in different forests showed Shannon diversity value, 2.19 and Simpson's species richnessn 18, The epiphy tic orchids belonging to 26 specIes within the transect ot dif ferent type of forests preferred 434 individuals of supporting trees as host plant belonging to 34 species of 22 families.