Gymnosphaera is 'n genus van boomvarings wat behoort tot die familie Cyatheaceae. Die genus is inheems aan al die kontinente behalwe Europa.
Spesies Daar is 48 spesies wat tot die genus hoort:Plants of the World Online
Gymnosphaera acrostichoides (Alderw.) S.Y.Dong Gymnosphaera alticola Tardieu Gymnosphaera andersonii (J.Scott ex Bedd.) Ching & S.K.Wu Gymnosphaera andohahelensis (Tardieu) Tardieu Gymnosphaera annae (Alderw.) S.Y.Dong Gymnosphaera atropurpurea (Copel.) Copel. Gymnosphaera austroyunnanensis (S.G.Lu) S.G.Lu & Chun X.Li Gymnosphaera bachmaensis S.Y.Dong Gymnosphaera baileyana (Domin) S.Y.Dong Gymnosphaera biformis (Rosenst.) Copel. Gymnosphaera boivinii (Mett. ex Ettingsh.) Tardieu Gymnosphaera bonii (Christ) S.Y.Dong Gymnosphaera capensis (L.f.) S.Y.Dong Gymnosphaera commutata (Mett.) S.Y.Dong Gymnosphaera denticulata (Baker) Copel. Gymnosphaera dimorpha (Christ) S.Y.Dong Gymnosphaera gammiei (R.D.Dixit) S.Y.Dong Gymnosphaera gigantea (Wall. ex Hook.) S.Y.Dong Gymnosphaera glabra Blume Gymnosphaera henryi (Baker) S.R.Ghosh Gymnosphaera hornei (Baker) Copel. Gymnosphaera impolita (Rakotondr. & Janssen) S.Y.Dong Gymnosphaera khasyana (T.Moore ex Kuhn) Ching Gymnosphaera klossii (Ridl.) ined. Gymnosphaera lurida (Blume) S.Y.Dong Gymnosphaera metteniana (Hance) Tagawa Gymnosphaera mildbraedii (Brause) S.Y.Dong Gymnosphaera nicklesii Tardieu & F.Ballard Gymnosphaera ogurae (Hayata) Tagawa Gymnosphaera olivacea (Brause) S.Y.Dong Gymnosphaera phankelocii S.Y.Dong & C.W.Chen Gymnosphaera phlebodes (Lehnert & Coritico) S.Y.Dong Gymnosphaera podophylla (Hook.) Copel. Gymnosphaera polypodioides (Sw.) ined. Gymnosphaera poolii (C.Chr.) S.Y.Dong Gymnosphaera ramispina (Hook.) Copel. Gymnosphaera ramispinoides (M.Kato) S.Y.Dong Gymnosphaera rebeccae (F.Muell.) S.Y.Dong Gymnosphaera rouhaniana (Rakotondr. & Janssen) S.Y.Dong Gymnosphaera rubella (Holttum) S.Y.Dong Gymnosphaera salletii (Tardieu & C.Chr.) S.Y.Dong Gymnosphaera salvinii (Hook.) S.Y.Dong Gymnosphaera saxicola S.Y.Dong & Z.Y.Zuo Gymnosphaera scandens (Brause) S.Y.Dong Gymnosphaera schlechteri (Brause) Copel. Gymnosphaera schliebenii (Reimers) S.Y.Dong Gymnosphaera subdubia (Alderw.) S.Y.Dong Gymnosphaera vietnamensis S.Y.Dong & C.W.Chen
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