Environmental weeds and invasive plants. 3rd international symposium

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Bohren, C., Bertossa, M., Schönenberger, N., Rossinelli, M., & Conedera, M. (Eds.). (2011). Environmental weeds and invasive plants. 3rd international symposium. 3rd international symposium of environmental weeds and invasive plants. Monte Verità, Ascona, Switzerland: Swiss Federal Institute for Forest, Snow and Landscape Research WSL.