AUTHOR=Wang Chunyang , Li Si-Shen , Han Guan-Zhu TITLE=Commentary: Plant Auxin Biosynthesis Did Not Originate in Charophytes JOURNAL=Frontiers in Plant Science VOLUME=7 YEAR=2016 URL=https://www.frontiersin.org/journals/plant-science/articles/10.3389/fpls.2016.00158 DOI=10.3389/fpls.2016.00158 ISSN=1664-462X