1. Max Planck Institute for Biogeochemistry 07745 Jena Germany
2. Institute of BioEconomy National Research Council (IBE‐CNR) 38010 San Michele all'Adige (TN) Italy
3. Department of Ecology University of Innsbruck Sternwartestrasse 15 6020 Innsbruck Austria
4. Faculty of Geo‐Information Science and Earth Observation (ITC) University of Twente 7500 AE Enschede the Netherlands
5. Optics of Photosynthesis Laboratory Institute for Atmospheric and Earth System Research (INAR/Forest Sciences) and Viikki Plant Science Center University of Helsinki Finland
6. Department of Plant Sciences University of California Davis CA 95616 USA
7. Centro De Estudios Ambientales Del Mediterráneo 46980 Valencia Spain
8. Earth and Environmental Sciences Department University of Milano‐Bicocca Milan Italy
9. Department of Environment National Institute for Agriculture and Food Research and Technology (INIA) 28040 Madrid Spain
10. Environmental Remote Sensing and Spectroscopy Laboratory (SpecLab) Spanish National Research Council (CSIC) 28037 Madrid Spain
11. JB Hyperspectral Devices 40225 Düsseldorf Germany
12. Universidad de Extremadura 10600 Plasencia Spain
13. Institute of Bio‐ and Geosciences IBG‐2: Plant Sciences Forschungszentrum Jülich Jülich Germany
14. European Commission Joint Research Centre Ispra (VA) 21027 Italy