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Kiyotaka Hori, Xile Zhou, Wen Shao, Yue-Hong Yan, Ren-Xiang Wang, Noriaki Murakami. "New Diploid Sexual Cytotypes of Dryopteris sect. Erythrovariae (Dryopteridaceae) in China." Acta phytotaxonomica et geobotanica 69.2 (2018) 127-133