[Rockhounds] World's oldest and most complex trees

[Paul]

Fossils from the world's oldest trees reveal complex anatomy
never seen before. Intricate web of woody strands inside
374-million-year-old tree trunks point to most complicated trees
to have ever grown on Earth, Cardiff University, October 23, 2017
http://www.cardiff.ac.uk/news/view/981090-worlds-oldest-and-most-complex-trees
https://www.livescience.com/60746-earth-oldest-trees-had-complex-structure.html
https://www.sciencedaily.com/releases/2017/10/171023182615.htm
https://www.eurekalert.org/pub_releases/2017-10/caos-rpe102317.php

Hong-He Xu, Christopher M. Berry, William E. Stein, Yi Wang, Peng
Tang, Qiang Fu. Unique growth strategy in the Earth’s first trees
revealed in silicified fossil trunks from China. Proceedings of the
National Academy of Sciences, 2017; 201708241 DOI: 10.1073/pnas.1708241114
http://www.pnas.org/content/early/2017/10/18/1708241114

Yours,

Paul H.