Ziming Hu,^1,* Chunhai Zhao,^1,** Yunyun Zhao,^1,*** Jiaxi Liuhttps://orcid.org/0000-0003-2790-7019<sup>1,****,*****

1</sup>College of Life Sciences and Academy for Multidisciplinary Studies, Capital Normal University, Beijing, China

^*ZIMING HU graduated with a BSc in biological sciences from Jiangxi Normal University. She is studying for an MSc in botany at the College of Life Sciences of Capital Normal University, Beijing, China. She specializes in the palynology and taxonomy of the Liliaceae.
^**CHUNHAI ZHAO received his BSc and MSc in botany from the College of Life Sciences of Capital Normal University. He specializes in the palynology of the modern floras of several Chinese ecosystems.
^***YUNYUN ZHAO is a professor in the College of Life Sciences, Capital Normal University, Beijing, China. She received a BSc and an MSc in botany from the College of Life Sciences of Capital Normal University, Beijing, China, and a PhD in biochemistry and molecular biology from China Agricultural University, Beijing, China. She researches plant systematics and evolution.
^****CONTACT Jiaxi Liu liu-jiaxi@263.net College of Life Sciences and Academy for Multidisciplinary Studies, Capital Normal University, Beijing, China
^*****JIAXI LIU is a professor in the College of Life Sciences, Capital Normal University, Beijing, China. He received BSc and MSc in botany from Harbin Normal University, Heilongjiang, China, and his PhD in ecology from Northeast Forestry University, Heilongjiang, China. He researches the palynology and embryology of the modern floras of several Chinese ecosystems.