Dataset for: Morphological and molecular assessment of Sargassum (Fucales, Phaeophyceae) from Caribbean Colombia, including the proposal of Sargassum giganteum sp. nov., Sargassum schnetteri comb. nov. and Sargassum section Cladophyllum sect. nov.

Molecular marker data (rbcLS, cox3, ITS-2) for the genus Sargassum and the monospecific genus Cladophyllum in an effort toward a comprehensive revision of the genus. Taxon names, gene sequences, and Genbank accession numbers (with collection information) are included. This dataset supports the publication: Camacho, O., Mattio, L., Draisma, S., Fredericq, S., & Diaz-Pulido, G. (2015). Morphological and molecular assessment of Sargassum (Fucales, Phaeophyceae) from Caribbean Colombia, including the proposal of Sargassum giganteum sp. nov., Sargassum schnetteri comb. nov., and Sargassum section Cladophyllum sect. nov. Systematics and Biodiversity, 13(2), 105–130.