Abstract
ON February 17, 1973, some thirty scattered plants of the brown algal genus Sargassum were found attached on a sheltered shore in Hampshire. This is the only record for attached plants of a species of Sargassum in Britain. The specimens were well grown, attaining a length of up to 1 m (Fig. 1), and showed the characteristic morphology of this genus with monopodial branching, air-bladders and leafy laterals. We are confident that these plants constitute a recent introduction as the area has been under surveillance since 1967, being one of the localities for a possibly-introduced Grateloupia sp. (red alga)1.
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FARNHAM, W., FLETCHER, R. & IRVINE, L. Attached Sargassum Found in Britain. Nature 243, 231–232 (1973). https://doi.org/10.1038/243231c0
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DOI: https://doi.org/10.1038/243231c0
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