Calymmodon is a genus of grammitid ferns in the family Polypodiaceae. It contains at least 30 species, and its known range is Sri Lanka, Thailand, Vietnam, Taiwan, Malesia, Australia, Micronesia and Polynesia.
Published species in the genus at present include:
Calymmodon asiaticus Copel.Calymmodon atrichus Copel.Calymmodon clavifer (Hook.) T.MooreCalymmodon concinnus ParrisCalymmodon conduplicatus Copel.Calymmodon congestus Copel.Calymmodon cucullatus (Nees & Blume) C.PreslCalymmodon curtus ParrisCalymmodon denticulatus (Blume) T.MooreCalymmodon fragilis Copel.Calymmodon glabrescens Copel.Calymmodon gracilis (Fée) Copel.Calymmodon gracillimus (Copel.) Nakai ex H. ItôCalymmodon grantii Copel.Calymmodon hirtus Brack.Calymmodon hyalinus Copel.Calymmodon hygroscopicus Copel.Calymmodon ichthyorachioides AlstonCalymmodon latealatus Copel.Calymmodon luerssenianus (Domin) Copel.Calymmodon mnioides Copel.Calymmodon muscoides (Copel.) Copel.Calymmodon ordinatus Copel.Calymmodon orientalis Copel., perh. syn. C. grantiiCalymmodon pergracillimus Copel.Calymmodon persimilis TagawaCalymmodon ponapensis Copel.Calymmodon ramifer Copel.Calymmodon rapensis Copel.However, the publication of a large number of additional species by Parris as part of the Flora Malesiana project is anticipated.
