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Abstract:
Recently collected material from Coffs Harbour, New South Wales, Australia, was identified as the generitype of Leptofauchea, L. nitophylloides. This facilitated a re-examination of Leptofauchea and its constituent species to assess monophyly. Multigene phylogenetic analysis of COI-5P, LSU and rbcL solidly allied species assigned to Leptofauchea in previous studies with the generitype, establishing for the first time monophyly for this genus. In addition to L. nitophylloides, COI-5P barcode analyses revealed a second Australian species of Leptofauchea from the Cocos (Keeling) Islands, Indian Ocean, described as L. cocosana sp. nov. Further, COI-5P barcode analyses resolved collections assignable to Leptofauchea from South Korea as two genetic species groups. One of these groups was L. leptophylla; whereas, the second genetic species group warranted description of L. munseomica sp. nov. GenBank entries for the two species of Leptofauchea previously reported in the northwest Pacific (L. leptophylla described from Japan and L. rhodymenioides described from the Caribbean) were resolved as conspecific (a cryptic complex at best) and morphologically assigned to L. leptophylla.
ACKNOWLEDGEMENTS
Without the collection assistance of H-G. Choi in South Korea and K. Dixon in Australia, this project would not have been possible. We also thank the following collectors for their contributions to this project: A. Celona, B. Clarkston, M. Cowan, R. Cowan, J.P. Danko, G.T. Kraft and M. Vicinanza. Additional thanks to M. Brooks, J. Dalen, C. Lane, L. Le Gall, D. McDevit, T. Moore and M. Surette for generating some of the sequence data used in our analyses. Thank you to C.W. Schneider for his assistance with Latin nomenclature. We thank S. Fredericq at the University of Louisiana at Lafayette for providing silica-dried material of L. earleae for analysis. This research was supported through funding to the Canadian Barcode of Life Network from Genome Canada through the Ontario Genomics Institute, Natural Sciences and Engineering Research Council of Canada (NSERC) and other sponsors listed at www.BOLNET.ca. Support was also provided by the Canada Research Chair Program, the Canada Foundation for Innovation and the New Brunswick Innovation Foundation.
SUPPLEMENTARY DATA
Supplementary data associated with this article can be found online at http://dx.doi.org/10.2216/14-110.1.s1.