A portion of this work was performed at the National High Magnetic Field Laboratory, which is supported by National Science Foundation Division of Chemistry and Division of Materials Research through Cooperative Agreement No. DMR-1644779, DMR-2128556 and the State of Florida. All software used for FT_ICR MS data processing are publicaly available: https://nationalmaglab.org/user-facilities/icr/icr-software We are grateful for assistance in sampling by Eva Voggenreiter and the Arctic Research station (Abisko Sweden), especially thankful to Jennie Wikström, Eric Lundin, Niklas Rakos and Alexander Meire. The sampling and field work was made possible by The Swedish Polar Research Secretariat and SITES for the support of the work done at the Abisko Scientific Research Station. SITES is supported by the Swedish Research Council’s grant 4.3-2021-00164. This work was supported by the University of Tuebingen (Programme for the Promotion of Junior Researchers award to Casey Bryce) and by the German Academic Scholar Foundation (scholarship to Monique Patzner).