Didymochlaena

Didymochlaena is a genus of ferns. In the Pteridophyte Phylogeny Group classification of 2016 (PPG I), it is the only genus in the family Didymochlaenaceae. Alternatively, the family may be placed in a very broadly defined family Polypodiaceae sensu lato as the subfamily Didymochlaenoideae.

Description
Members of this genus are terrestrial, evergreen plants growing 0.8-3 m tall. The fronds arise from upright, scaly rhizomes. The leaves are bipinnate and imparipinnate.

Species
This genus includes the following species:
 * Didymochlaena alpina Li Bing Zhang & H.Shang
 * Didymochlaena amazonica Li Bing Zhang & H.Shang
 * Didymochlaena attenuata (Bonap.) Li Bing Zhang & H.Shang
 * Didymochlaena bipinnatipartita (Bonap.) Li Bing Zhang & H.Shang
 * Didymochlaena cameroonensis Li Bing Zhang & H.Shang
 * Didymochlaena comorensis Li Bing Zhang & H.Shang
 * Didymochlaena cubensis Li Bing Zhang & H.Shang
 * Didymochlaena deltoidea Li Bing Zhang & H.Shang
 * Didymochlaena dimidiata Kunze
 * Didymochlaena fijiensis Li Bing Zhang & H.Shang
 * Didymochlaena madagascariensis Li Bing Zhang & H.Shang
 * Didymochlaena mesoamericana Li Bing Zhang & H.Shang
 * Didymochlaena microphylla (Bonap.) C.Chr.
 * Didymochlaena oceanica Li Bing Zhang & H.Shang
 * Didymochlaena philippensis Li Bing Zhang & H.Shang
 * Didymochlaena punctata Li Bing Zhang & H.Shang
 * Didymochlaena sinuosa Desv.
 * Didymochlaena solomonensis Li Bing Zhang & H.Shang
 * Didymochlaena spinulosa (Brause) Li Bing Zhang & H.Shang
 * Didymochlaena truncatula (Sw.) J.Sm.