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Authors
Lu, Li-Li
Yao, Yi-Feng
Wang, Guo-An
Xie, Gan
Lu, Kai-Qing
Sun, Bin
Li, Jin-Feng
Bruch, Angela A.
Ferguson, David K.
Cui, Yi-Ming
Wang, Qiang
Zhou, Xin-Ying
Gao, Feng
Wang, Yu-Fei
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Funding
Funding for this research was provided by:
National Natural Science Foundation of China (42077416)
Strategic Priority Research Program of the Chinese Academy of Sciences (XDB26000000)
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Article History
Received: 14 December 2022
Accepted: 12 March 2023
First Online: 22 March 2023
Declarations
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: We confirm thad experimental research and field studies on plants, including the collection of plant material, complied with relevant institutional, national, and international guidelines and legislation. All necessary permits were obtained for the described field studies and were granted by the Yunnan Institute of Cultural Relics and Archaeology. The pollen samples used in this study were collected by Miss Li-Li Lu, Dr. Kai-Qing Lu, Mr. Qiang Wang, Dr. Yi-Feng Yao, Prof. Feng Gao, and Prof. Yu-Fei Wang in the Xiaolongtan Basin (23°48.351′N; 103°10.410′E, 1105 m a.s.l.) of Kaiyuan City and Yuanmou Basin (25°54.792′N, 101°46.124′E, 1142 m a.s.l.) of Yuanmou City, respectively, in Yunnan, China. The pollen samples (nos. XLT 01-XLT 20 and YM 01-YM 04) examined in this article were deposited in the National Museum of Plant History of China, Institute of Botany, Chinese Academy of Sciences. The fossil pollen grains and spores extracted from the samples were identified by Miss Li-Li Lu and Dr. Yi-Feng Yao.
: Not applicable.
: The authors declare that they have no competing interests.
