| Affiliation: | Department of Forest Ecology, Swedish University of Agricultural Sciences, SE-901 83 Umeå, Sweden;Department of Cell and Molecular Biology, Microbiology, Göteborg University, P.O. Box 462, SE-405 30 Göteborg, Sweden;Department of Mathematics and Natural Sciences, University of Trollhättan, SE-461 29 Trollhättan, Sweden;Department of Ecology and Environmental Research, Swedish University of Agricultural Sciences, Box 7072, SE-750 07 Uppsala, Sweden;Department of Botany, Göteborg University, P.O. Box 461, SE-405 30 Goteborg, Sweden |
