1. Department of Biology Norwegian University of Science and Technology Trondheim Norway
2. Research Group of Plants and Ecosystems (PLECO) University of Antwerp Wilrijk Belgium
3. Department of Ecology Swedish University of Agricultural Sciences Uppsala Sweden
4. Instituto Argentino de Nivología Glaciología y Ciencias Ambientales (IANIGLA), CONICET, CCT‐Mendoza Mendoza Argentina