AUTHOR=Li Zhongyue , Wang Siyuan , Wang Wenna , Gu Jiacun , Wang Yan TITLE=Corrigendum: The hierarchy of protoxylem groupings in primary root and their plasticity to nitrogen addition in three tree species JOURNAL=Frontiers in Plant Science VOLUME=14 YEAR=2023 URL=https://www.frontiersin.org/journals/plant-science/articles/10.3389/fpls.2023.1291059 DOI=10.3389/fpls.2023.1291059 ISSN=1664-462X