Journal article
Rhipidosiphon lewmanomontiae sp. nov. (Bryopsidales, Chlorophyta), a calcified udoteacean alga from the central Indo-Pacific based on morphological and molecular investigations
E Coppejans, F Leliaert, H Verbruggen, A Prathep, O De Clerck
Phycologia | Published : 2011
DOI: 10.2216/10-90.1
Abstract
A new species of the green algal genus Rhipidosiphon, Rhipidosiphon lewmanomontiae sp. nov., is described after material from the Mu Ko Tha Lae Tai area (SE Thailand) and Okinawa (Japan) on the basis of morphology and molecular analyses. The new species grows epilithically, just under the low water mark and is occasionally exposed at spring low tide. It differs mainly from the other known species, the Indo-Pacific Rhipidosiphon javensis and the western Atlantic Rhipidosiphon floridensis, by the presence of a rhizoidal pseudocortex surrounding the monosiphonous stipe and the presence of intercalary siphon constrictions. A similar pseudocortex has been described in juvenile stages of some Udot..
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Funding Acknowledgements
We gratefully acknowledge Sofie D'hondt for generating the sequence data. We thank Diane and Mark Littler for providing collections of R. javensis, Klaas Pauly for a collection of R. lewmanomontiae from Japan, and Brian Wysor for providing information on R. floridensis. The Excellence Center for Biodiversity of Peninsular Thailand, Princess Maha Chakri Sirindhorn Natural History Museum, the Biodiversity Research and Training Program, TOTAL Foundation, Ghent University and Research Foundation - Flanders (FWO) are acknowledged for support. HV and FL are postdoctoral fellows of the FWO. Prince of Songkla University and the Faculty of Science subsidized AP to work at Ghent University under the Prince of Songkla University MOU Foreign Collaboration Grant.