@article{fdi:010061628, title = {{N}orth meets south : taxonomic and biogeographic implications of a phylogenetic assessment of {S}argassum subgenera {A}rthrophycus and {B}actrophycus ({F}ucales, {P}haeophyceae)}, author = {{D}ixon, {R}. {R}. {M}. and {M}attio, {L}. and {H}uisman, {J}. {M}. and {P}ayri, {C}laude and {B}olton, {J}. {J}. and {G}urgel, {C}. {F}. {D}.}, editor = {}, language = {{ENG}}, abstract = {{T}he {S}argassum subgenera {B}actrophycus and {A}rthrophycus were considered to be geographically restricted to the northern and southern hemispheres, respectively. {P}hylogenetic analyses of 19 {S}argassum subgenus {B}actrophycus species and eight {S}argassum subgenus {A}rthrophycus species, based on a concatenated dataset of the loci {ITS}-2, cox3 and the rbc{L}-{S} spacer, showed that they formed a single clade, with {A}rthrophycus species nested within {B}actrophycus section {H}alochloa. {W}e merged the two subgenera as subgenus {B}actrophycus and transferred "{A}rthrophycus" species to {S}argassum section {H}alochloa. {T}he genus now includes only the two subgenera, {S}argassum and {B}actrophycus, and both were found at temperate and subtropical latitudes; only subgenus {S}argassum occurred at low latitudes near the equator, whereas subgenus {B}actrophycus had an antitropical, disjunct distribution.}, keywords = {{A}rthrophycus ; {B}actrophycus ; {B}iogeography ; cox3 ; {H}alochloa ; {ITS}-2 ; {M}olecular phylogenetics ; rbc{L}-{S} spacer ; {T}axonomic revision}, booktitle = {}, journal = {{P}hycologia}, volume = {53}, numero = {1}, pages = {15--22}, ISSN = {0031-8884}, year = {2014}, DOI = {10.2216/13-173.1}, URL = {https://www.documentation.ird.fr/hor/fdi:010061628}, }