Didymoglossum - Hymenophyllaceae

Didymoglossum chamaedrys (Taton) J.P.Roux






Microgonium chamaedrys (Taton) Pic.Serm.
Crepidomanes chamaedrys (Taton) G.Kunkel
Trichomanes chamaedrys Taton
Trichomanes erosum var. chamaedrys (Taton) Tardieu
Trichomanes aerugineum Bosch

Common name


Rhizome very long creeping, set with dark brown hairs. Fronds monomorphic. Stipe 0.1-0.5 cm long, hairy on the inside. Lamina simple, 1-4 cm, ovate-lanceolate in outline, margin regurlarly lobed and wrinkled, base decurrent; veins pinnate, marginal false vein present, lateral false veins interconnect with the marginal. Sori broadly bordered by the lamina; indusium wide, expanded, receptacle slightly exserted.




On bark in wet or damp environment.

Distribution worldwide

See African distribution.

Distribution in Africa

Cameroon, Congo, Dem. Republic of Congo, Equatorial Guinea (incl. Bioko), Gabon, Ghana, Ivory Coast, Liberia, Sierra Leone.

Growth form



  • Roux, J.P. (2009) Synopsis of the Lycopodiophyta and Pteridophyta of Africa, Madagascar and neighbouring islands. Strelitzia 23, South African National Biodiversity Institute, Pretoria. Page 41.
  • Tardieu-Blot, M.-L. (1964) Ptéridophytes vol.3.Flore du Cameroun, Pages 81 - 82. (Includes a picture).
  • Thardieu-Blot, M.L. (1964) Ptéridophytes vol.8.Flore du Gabon, Pages 60 - 62. (Includes a picture).