Journal article

Tracing the introduction history of the brown seaweed Dictyota cyanoloma (Phaeophyceae, Dictyotales) in Europe

Frederique Steen, Joana Aragay, Ante Zuljevic, Heroen Verbruggen, Francesco Paolo Mancuso, Francis Bunker, Daniel Vitales, Amelia Gomez Garreta, Olivier De Clerck



Dictyota cyanoloma has recently been described from the Mediterranean Sea and Macaronesia but doubt had arisen as to whether this species was truly native in Europe. The species is mainly found on non-natural substrata (harbour walls, marinas, boat hulls, etc.), strongly suggesting that it is an introduction. Molecular sequence information from historical herbarium samples proves the presence of D. cyanoloma in the Adriatic Sea as early as 1935. Since approximately the year 2000, however, the number of records as well as the geographic range of the species has expanded significantly. The present-day distribution of D. cyanoloma occupies most of the Mediterranean Sea, Macaronesia, NW Africa a..

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University of Melbourne Researchers


Awarded by EU FP7 ERANET

Awarded by Australian Research Council

Awarded by Australian Biological Resources Study

Funding Acknowledgements

Frederique Steen and Olivier De Clerck are indebted to EU FP7 ERANET (Project SEAS-ERA/INVASIVES SD/ER/010). Heroen Verbruggen was funded by the Australian Research Council (FT110100585) and the Australian Biological Resources Study (RFL213-08). The support of Fundacion Biodiversidad (Ministerio de Agricultura, Alimentacion y Medio Ambiente, Spain) is also acknowledged.