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Phylum: Chlorophyta   Family: Ulvaceae

Ulva intestinalis  Linnaeus, 1953

Hollow Green Seaweed; Gut Weed

Widespread and found at all levels of the intertidal zone. In areas of low salinity, such as edges of rock pools and estuaries, where rainwater dilutes the saltiness, it can be a vivid green

Determiner: 
Chris Johnson

References: 
Fish & Fish (2011) - A Student's Guide to the Seashore;
Bunker, et al - Seaweeds of Britain and Ireland;
Brodie, et al - Green Seaweeds of Britain and Ireland

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