期刊
JOURNAL OF PHYCOLOGY
卷 51, 期 4, 页码 791-807出版社
WILEY
DOI: 10.1111/jpy.12319
关键词
anatomy; Lithophyllum bathyporum; Lithophyllum hibernicum; Lithophyllum incrustans; psbA; rbcL; rhodolith; taxonomy; type specimens
资金
- National Council for Science and Technology, Mexico [CONACyT-211950]
- SEP (Secretariat for Public Education, Mexico)
- Marine Institute (Ireland) as part of the National Marine Biodiscovery Program (Beaufort Award for Marine Biodiscovery)
- European Community through the FP6 [NMP3-CT-2003-505758]
- National University of Ireland, Galway through the Thomas Crawford Award
- M.I.U.R. (Italian Ministry for Education, Universities and Research) through a P.R.I.N.
- postdoctoral program Axudas de apoio a etapa inicial de formacion posdoutoral do Plan I2C (Xunta de Galicia)
- British Phycological Society
- Spain's Ministerio de Economia y Competitividad [CGL2009-09495/BOS]
- Action Transversale du Museum National d'Histoire Naturelle
- network Bibliotheque du Vivant - CNRS
- Museum National d'Histoire Naturelle
- INRA
- CEA (Centre National de Sequencage)
DNA sequences from type material in the nongeniculate coralline genus Lithophyllum were used to unambiguously link some European species names to field-collected specimens, thus providing a great advance over morpho-anatomical identification. In particular, sequence comparisons of rbcL, COI and psbA genes from field-collected specimens allowed the following conclusion: the generitype species, L. incrustans, occurs mostly as subtidal rhodoliths and crusts on both Atlantic and Mediterranean coasts, and not as the common, NE Atlantic, epilithic, intertidal crust reported in the literature. The heterotypic type material of L. hibernicum was narrowed to one rhodolith belonging in Lithophyllum. As well as occurring as a subtidal rhodolith, L. hibernicum is a common, epilithic and epizoic crust in the intertidal zone from Ireland south to Mediterranean France. A set of four features distinguished L. incrustans from L. hibernicum, including epithallial cell diameter, pore canal shape of sporangial conceptacles and sporangium height and diameter. An rbcL sequence of the lectotype of Lithophyllum bathyporum, which was recently proposed to accommodate Atlantic intertidal collections of L. incrustans, corresponded to a distinct taxon hitherto known only from Brittany as the subtidal, bisporangial, lectotype, but also occurs intertidally in Atlantic Spain. Specimens from Ireland and France morpho-anatomically identified as L. fasciculatum and a specimen from Cornwall likewise identified as L. duckerae were resolved as L. incrustans and L. hibernicum, respectively.
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