@article{fdi:010074522, title = {{E}xploring the {U}doteaceae diversity ({B}ryopsidales, {C}hlorophyta) in the {C}aribbean region based on molecular and morphological data}, author = {{L}agourgue, {L}. and {P}uillandre, {N}. and {P}ayri, {C}laude}, editor = {}, language = {{ENG}}, abstract = {{T}he {U}doteaceae family ({B}ryopsidales, {C}hlorophyta) is known to be highly diverse morphologically in the {C}aribbean region, but only few studies have studied its genetic diversity. {U}sing an integrative taxonomic approach, this study aimed at (1) exploring the {U}doteaceae species diversity using a combination of five {DNA}-based species delimitation methods and morpho-anatomical data for confirmation; (2) estimating the discriminatory power of traditional diagnostic characters using a morphology-based clustering method and statistical analyses focused on the genus {U}dotea; and (3) reconstructing the phylogeny of the family based on a multilocus analysis (tuf{A}, rbc{L}, 18{S} r{DNA}). {O}ur results revealed strong congruence between species hypotheses across delimitation methods and markers. {M}orpho-anatomical characters proved essential to validate these hypotheses, to assign species names and to unveil new species. {M}orphological analyses led to relevant results for accurately discriminating {U}dotea morphospecies. {S}iphon features and cortication were key characters to define supra-specific groups and to revise the taxonomy of the genus {U}dotea. {P}hylogenetic analyses confirmed the polyphyly of {U}dotea, {R}hipocephalus and {P}enicillus, which led us to propose a revised definition of {U}dotea sensu stricto based on both genetic and morphological data. {F}inally, our study emphasizes the importance of combining genetic and morphological data for the taxonomic revision of the {U}doteaceae, but stresses the need of including more taxa from other geographical regions to better resolve taxonomic issues.}, keywords = {{B}ryopsidales ; {U}doteaceae ; {U}dotea ; {S}pecies delimitation ; {M}ultilocus phylogeny ; {M}orphological clustering ; {CARAIBE} ; {ZONE} {TROPICALE} ; {ATLANTIQUE} {OUEST}}, booktitle = {}, journal = {{M}olecular {P}hylogenetics and {E}volution}, volume = {127}, numero = {}, pages = {758--769}, ISSN = {1055-7903}, year = {2018}, DOI = {10.1016/j.ympev.2018.06.023}, URL = {https://www.documentation.ird.fr/hor/fdi:010074522}, }