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Abstract
Lobban C.S., Schefter M. and Ruck E.C. 2011. Licmophora flucticulata sp. nov. (Licmophoraceae, Bacillariophyceae), an unusual new flabellate species from Guam and Palau. Phycologia 50: 11–22. DOI: 10.2216/09-85.1
A new species of Licmophora, L. flucticulata sp. nov., forms distinctive, rippled, fan-shaped colonies on coral reef seaweeds on Western Pacific islands. It is readily observed underwater with the naked eye but is very weakly silicified, and its frustule does not survive normal acid cleaning. Its identity as a Licmophora species was demonstrated with scanning electron microscopy and small-subunit rDNA sequencing. Licmophora flucticulata has exceptionally long, narrow cells cemented into fascicles that attach to the substratum by short, multistranded mucilage stalks. Its valve and colony morphology are compared to that of L. remulus, L. flabellata and L. aurivillii.
ACKNOWLEDGMENTS
Light microscopes used in this study were funded by the National Institute of General Medical Science, Minority Opportunity in Research Division (R25GM063682) and Department of Education Minority Science and Engineering Improvement Project grants to U. Guam (P120A040092); the former also funded the SEM for Guam. Funding for E.C.R. and SEM at U. Texas was through NSF Tree-of-Life award AToL0629410 to E.C. Theriot. Thanks to M. Hamnede and O. Johansson for their efforts to locate L. aurivillii materials at the Swedish Museum of Natural History. C.S.L. and M.S. thank COMNAVMAR for access to the study site on Guam Naval Facility, R.W. Jordan for helpful discussions and literature and M.J. Sullivan for his editorial input to the manuscript.