Dermonema virens   (J. Agardh) Pedroche & Avila Ortiz,  1996 (Algae)
Organism information awaits expert curation
Class: Florideophyceae

Thallus form and type: Bushy, cylindrical and succulent

Substratum: Intertidal rocks, coralline stones

Occurrence: Mid- upper littoral zone, tidal pools

Season: November-April

Abundance: Scanty

Plants dark brown to red in color, un-calcified, somewhat gelatinous, 6-10 cm in height with several axes arising from a basal disc; erect axes dichotomously and closely barnched gradually tapering from the base to the tip(s); thallus multiaxial with filamentous medulla and cortex.

Synonym (s)
Cladosiphon frappieri Montagne & Millardet, 1862
(Heterotypic synonym)
Dermonema dichotomum Greville ex Heydrich, 1894
Dermonema frappieri (Montagne & Millardet) Borgesen, 1942
(Heterotypic synonym)
Dermonema frappieri Silva et al., 1996
Dermonema gracile (Kutzing) Schmitz in Schmitz & Hauptfleisch, 1896
Dermonema gracile Silva et al., 1996
Gymnophlaea dichotoma G. Martens, 1868
(Misapplied name)
Gymnophlaea gracilis G. Martens, 1868
Gymnophlaea gracilis Kutzing, 1867
(Heterotypic synonym)
Nemalion virens J. Agardh, 1847
(Homotypic synonym)
Dermonema virens (J. Agardh) Pedroche & Avila Ortiz, 1996
Dermonema gracile Weber-van Bosse, 1921
(Heterotypic synonym)

Common Name (s)
Economic Importance and Threats
Importance:  Commercial
(This alga used in food)

Habitat:  Rocky


• Tamil Nadu, Kanniyakumari (Lat: 8.08) (Long: 77.57) INDIA
• Tamil Nadu INDIA
• Maharashtra, Malvan (Lat: 16.07) (Long: 73.47) INDIA
• Gujarat, Adri INDIA

Literature Source(s)
  • Sahoo, D; Nivedita and Debasish (2001) Seaweeds of Indian coast S. B. Nangia, A. P. H. Publishing Corporation, New Delhi 283 pp Available at - NIO, Goa
  • Oza, RM and Zaidi, SH (2001) A revised checklist of Indian marine algae Available at - NIO, Goa
  • Society for the Management of European Biodiversity Data (2009) World Register of Marine Species (WoRMS) Available at -
  • Silva, PC; Basson, PW and Moe, RL (1996) Catalogue of the benthic marine algae of the Indian Ocean University of California Press 79 1259 pp Available at - NIO, Goa
  • Rao, MU (2006) Key to the identification of Indian red seaweeds Recent advances on applied aspects of Indian marine algae with reference to global scenario, volume 1. Seaweed taxonomic identification, aquaculture, resource, environment, fouling and disease Central Salt and Marine Chemicals Research Institute, Bhavnagar 46-140 Available at - NIO, Goa
  • (2006) Algaebase Available at -
  • Jha B, Reddy C.R.K, Thakur M C and Rao M (2009) Seaweeds of India The Diversity and Distribution of seaweeds of Gujarat Coast Springer 211pp Available at - NIO

Page last updated on:2012-12-07

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