Dictyopteris woodwardii [Spelling Variation]   (Brown) J. G. Agardh  (Algae)
Organism information awaits expert curation
Class: Phaeophyceae

Size: Height 15-30 cm.

Color: Yellowish brown

Basal portion discoidal. Upper portion more or less irregularly dichotomously branched. Branches 0.7-1 cm wide, margins characteristically dentate. Apices of the branches tapering, midrib conspicuous. The lamina of the branches is often torn. Thallus many layered in the midrib region, 2-4 layered in the wings. Cells of the midrib region more or less thick walled, small, quadrate to rectangular, richly provided with chromatophores. Cells of the wing larger, thin walled, quadrate to rectangular, poor in contents.

Hairs and reproductive organs occurring on both surfaces; the former distributed in groups, forming rows a little away on both sides of the midrib; the latter occurring as a narrow belt close to and on either sides of the midrib.

Synonym (s)
Fucus woodwardii Brown, 1811
Haliseris woodwardii (Brown) J. G. Agardh, 1848

Common Name (s)
Economic Importance and Threats
Importance:  Commercial
(Extraction of alginate, fertilizer)

Habitat:  Coastal


• Gujarat, Okha Port INDIA
• Maharashtra, Malvan INDIA
• Tamil Nadu, Krusadai Island INDIA
• Gujarat, Okha INDIA
• Gujarat, Dwarka INDIA
• Gujarat, Gulf of Kachchh INDIA
• Tamil Nadu, Mandapam INDIA

Literature Source(s)
  • Mishra, JN (1966) Phaeophyceae in India ICAR 203 pp Available at - NIO, Goa
  • Society for the Management of European Biodiversity Data (2009) World Register of Marine Species (WoRMS) Available at - http://www.marinespecies.org
  • (2003) Seaweeds of the Central West Coast of India Bioinformatics Centre, National Institute of Oceanography Available at - http://niobioinformatics.in/seaweeds/index.htm
  • Krishnamurthy, V (2006) Key to the taxonomic identification of green and brown marine algae of India Recent advances on applied aspects of Indian marine algae with reference to global scenario. Seaweed taxonomic identification, aquaculture, resource, environment, fouling and disease Central Salt and Marine Chemicals Research Institute, Bhavnagar 1 1-146 Available at - NIO, Goa
  • (1997) Coastal marine environment of Gujarat 178pp Available at - NIO, Goa
  • James, PSBR (1987) Distribution of the important Indian marine algae Seaweed research and utilization in India Bulletin Of Central Marine Fisheries Research Institute CMFRI, Cochin 41 100-111 Available at - http://eprints.cmfri.org.in/8209/1/Bulletin_No_41.pdf

Page last updated on:2011-06-20

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