Three new fern names of hybrid genera and four new combinations in Athyriaceae, Osmundaceae, and Thelypteridaceae Author Wan, Xia 0000-0001-8312-6917 Key Laboratory of Mountain Ecological Restoration and Bioresource Utilization, Chengdu Institute of Biology, Chinese Academy of Sciences, Chengdu 610041, China & College of Life Sciences, Sichuan University, Chengdu 610065, China & University of Chinese Academy of Sciences, Beijing 100049, China & Missouri Botanical Garden, St. Louis, Missouri 63110, USA & xwan @ mobot. org; https: // orcid. org / 0000 - 0001 - 8312 - 6917 xwan@mobot.org Author Zhang, Li-Bing 0000-0002-4905-040X Key Laboratory of Mountain Ecological Restoration and Bioresource Utilization, Chengdu Institute of Biology, Chinese Academy of Sciences, Chengdu 610041, China & Missouri Botanical Garden, St. Louis, Missouri 63110, USA & Libing. Zhang @ mobot. org; https: // orcid. org / 0000 - 0002 - 4905 - 040 X hang@mobot.org text Phytotaxa 2022 2022-12-06 575 1 104 108 http://dx.doi.org/10.1094/PDIS-04-22-0755-PDN journal article 203356 10.11646/phytotaxa.575.1.8 c8bdb5c9-8e03-4b2f-8ead-ca3fd948c178 1179-3163 7403356 × Osmunimunda X.Wan & Li Bing Zhang , nothogen. nov. ≡ “ × Osmuntonia Hong M.Liu, Schuettp. & H.Schneid. ” (2020: 999), nom. inval. A hybrid genus between Osmunda Linnaeus (1753: 1063) and Claytosmunda (Y.Yatabe, N.Murakami & K.Iwatsuki 2005: 127–128) Metzgar & Rouhan (2016: 594) . Etymology:—A combination of “ osmun -” (from Osmunda ) and “- munda ” (from Claytosmunda ). This nothogenus contains two nothospecies.