Author's personal copy Microbial community development in the traps of aquatic Utricularia species

Of the approximately 250,000 species of angiosperms, less than 1 % are classified as carnivorous and almost half of these belong to Utricularia (Lentibulariaceae) (Juniper et al., 1989). Within the rootless genus, about 50 species are aquatic or amphibious plant