Description: The seaweed site is a source of general information on all aspects of seaweeds
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This Seaweed Site is a source of general information on all aspects of seaweeds. Seaweeds are marine algae: saltwater-dwelling, simple organisms that fall into the somewhat outmoded, but still useful, category of "plants". Most of them are the green (more than 1800 species), brown (about 2000 species) or red (over 7200 species) kinds, samples of which are each illustrated on this page, and most are attached by holdfasts, which generally just have an anchorage function, although a particularly efficient one.
Guide to Commercially Important Seaweeds on the Irish Coast. Download PDF
Macroalgal Fact Sheets (Soler Vila, Edwards, Whelan & Guiry; 2022 edition) Download PDF .