Chengyu Wanhttps://orcid.org/0000-0001-6265-151X,^1,* Xiaoxue Bai,^1,** Jiaxi Liuhttps://orcid.org/0000-0003-2790-7019<sup>1,***

1</sup>College of Life Sciences, Capital Normal University, Beijing, China

^*Chengyu Wangraduated with a BSc in biological sciences from the College of Life Sciences of Henan Agricultural University, Henan Province, China. She is studying for an MSc in botany in the College of Life Sciences, Capital Normal University, Beijing, China. She specialises in the palynology and taxonomy of Caryophyllaceae.
^**Xiaoxue Baiis studying for a BSc in biological sciences in the College of Life Sciences, Capital Normal University, Beijing, China. She specialises in the palynology and taxonomy of Caryophyllaceae.
^***Jiaxi Liuis a professor in the College of Life Sciences, Capital Normal University, Beijing, China. He received his 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.