AUTHOR=Thygesen Lisbeth G. , Gorzsás Andras , Schulz Hartwig TITLE=Editorial: Proceedings of IPSC 2019 - 2nd International Plant Spectroscopy Conference JOURNAL=Frontiers in Plant Science VOLUME=11 YEAR=2020 URL=https://www.frontiersin.org/journals/plant-science/articles/10.3389/fpls.2020.599481 DOI=10.3389/fpls.2020.599481 ISSN=1664-462X