Nick Upton / Japanese wireweed / Japanese weed / Japweed (Sargassum muticum), an invasive species from the western Pacific spreading in Europe and the UK, buoyed up by air bladders in a rockpool, Wembury, Devon, U...
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Nick Upton / Japanese wireweed / Japanese weed / Japweed (Sargassum muticum), an invasive species from the western Pacific spreading in Europe and the UK, growing alongside native red and brown algae in a rockpool...