The Morphology and Distribution of Halymenia durvillei Bory de Saint-Vincent (Halymeniales, Rhodophyta) from Myanmar

The genus Halymenia collected from three coastal zones of Myanmar: Tanintharyi coastal zone, Ayeyawady Deltaic coastal zone and Rakhine coastal zone, and lodged in the herbarium of the Department of Marine Science, Mawlamyine University, has been identified as Halymenia durvillei Bory de SaintVicent, based on the external and internal morphologies of the vegetative and reproductive structures. The species of H. durvillei Bory de Saint-Vincent was encountered in the Rakhine and Tanintharyi coastal zones whereas not found in the Ayeyawady Delta and the Gulf of Mottama (Martaban) coastal zone. The photogeographical distribution range of H. durvillei Bory de Saint-Vincent is mostly dominates in India, Pacific Oceans and Indo-Pacific regions. But H. durvillei are rarely found in the Atlantic Ocean. Moreover, some ecological notes and potential uses of this species were briefly described.

Keywords: Halymeniales, Halymenia durvillei, Myanmar, Rhodophyta, morphology.