Over the last centuries thousands of species have dispersed outward from their native regions through human-mediated transport and have established populations in distant parts of the globe. Unfortunately, seaweeds represent one of the largest groups of marine aliens, constituting between 20 and 29% of all marine introduced species in Europe. In the framework of the SEAS-ERA project INVASIVES a list of introduced species and distribution maps was generated, the results of which are displayed here. 

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