First Occurrence of Platycladus from the Upper Miocene of Southwest China and Its Phytogeographic Implications Wu, Jing-Yu ; Ding, Su-Ting ; Li, Qi-Jia ; Zhao, Zhen-Rui ; Sun, Bai-Nian Abstract Publication: PLoS ONE Pub Date: December 2014 DOI: 10.1371/journal.pone.0115141 Bibcode: 2014PLoSO...9k5141W