Response of photosynthesis to different concentrations of heavy metals in Davidia involucrata Yang, Yan ; Zhang, Liuqing ; Huang, Xing ; Zhou, Yiyang ; Quan, Qiumei ; Li, Yunxiang ; Zhu, Xiaohua Abstract Publication: PLoS ONE Pub Date: March 2020 DOI: 10.1371/journal.pone.0228563 Bibcode: 2020PLoSO..1528563Y