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. 2021 Dec 13;12:774617. doi: 10.3389/fpls.2021.774617

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Copyright © 2021 Liu, Xu, Liu, Zhao and Chen.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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Time-calibrated phylogeny of 33 diatom taxa based on 96 chloroplast genes with PAML. The red dots represented calibration point and translucent blue bars represented the 95% highest posterior density interval of each node ages.