1. Department of Ecology and Ecosystem Management; Technische Universität München; Emil-Ramann-Str. 6 85354 Freising Germany
2. Graduate Program in Botany; Universidade Federal do Rio Grande do Sul; Av. Bento Gonçalves; 9500 - Bloco IV - Prédio 43433; CEP 91501-970 Porto Alegre RS Brazil
3. Ecoinformatics and Biodiversity; Department of Bioscience; Aarhus University; NyMunkegade116 8000 Aarhus Denmark
4. Department of Ecology and Ecosystem Management; Technische Universität München; Hans-Carl-von-Carlowitz-Platz 2 85354 Freising Germany