Biodiversity and apomixis: Insights from the East-Asian holly ferns in Polystichum section Xiphopolystichum

Affiliations

• ¹ Department of Ecology and Evolutionary Biology, University of Tennessee, Knoxville, TN 37919, USA. Electronic address: npatel70@utk.edu.
• ² State Key Laboratory of Palaeobiology and Stratigraphy, Nanjing Institute of Geology and Palaeontology, Chinese Academy of Sciences, Nanjing 210008, China.
• ³ Missouri Botanical Garden, P.O. Box 299, St. Louis, MO 63166-0299, USA; Chengdu Institute of Biology, Chinese Academy of Sciences, P.O. Box 416, Chengdu, Sichuan 610041, China.
• ⁴ Pringle Herbarium, Department of Plant Biology, University of Vermont, Burlington, VT 05405, USA.