Institution: | (1) Plant Ecology/Department of Ecology and Evolution, Evolutionary Biology Centre, Uppsala University, SE-752 36, Uppsala, Sweden;(2) Section of Evolutionary Biology, Biocenter, University of Munich, D-82152, Planegg-Martinsried, Germany;(3) Present address: Department of Biology, Norwegian University of Science and Technology, N-7491, Trondheim, Norway |