Chris Mattison / Gutweed (Enteromorpha intestinalis) growing in shallow rock pool, Isle of Ulva, Mull, Scotland, June.
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Philippe Clement / Gutweed / grass kelp (Enteromorpha intestinalis / Ulva intestinalis) washed ashore on Normandy coast, France, September
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Nick Upton / Broad-clawed porcelain crab (Porcellana platycheles) hiding in a rockpool among Mussels (Mytilus edulis) and Gutweed (Ulva / Enteromorpha intestinalis), near Falmouth, Cornwall, UK, August.
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Nick Upton / Gutweed (Ulva intestinalis / Enteromorpha intestinalis) growing in a rockpool high on the shore, with buoyant tubular fronds filled with air standing upright, Wembury, Devon, UK, August.
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Nick Upton / Rockpool high on a rocky shore fringed with Gutweed (Ulva intestinalis / Enteromorpha intestinalis), Wembury, Devon, UK, August.
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Nick Upton / Broad-clawed porcelain crab (Porcellana platycheles) hiding behind Gutweed (Ulva / Enteromorpha intestinalis) in a rockpool alongide a Flat / Purple top shell (Gibbula umbilicalis) and a Limpet (Patel...
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Nick Upton / Gutweed (Ulva intestinalis / Enteromorpha intestinalis) growing in a rockpool high on the shore, with buoyant tubular fronds filled with air standing upright, Wembury, Devon, UK, August.
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Nick Upton / Rockpool high on a rocky shore fringed with Gutweed (Ulva intestinalis / Enteromorpha intestinalis), with grassy cliffs rising behind it, Wembury, Devon, UK, August.
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Nick Upton / Gutweed (Ulva intestinalis / Enteromorpha intestinalis) growing in a rockpool high on the shore, with buoyant tubular fronds filled with air standing upright, Wembury, Devon, UK, August.
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Dan Burton / Gutweed in rock pool (Enteromorpha intestinalis). UK
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Nigel Cattlin / Perennial sow-thistle / field sowthistle (Sonchus arvensis) plant rosette in waste cultivated ground, Berkshire, England, UK. July
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Sue Daly / Gut weed (Ulva intestinalis) Sark, British Channel Islands
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Alex Mustard / Black-lined periwinkle (Littorina compressa) on a bed of gutweed (Ulva intestinalis). St Brides Haven, Pembrokeshire, Wales, United Kingdom. British Isles. Irish Sea.
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Philippe Clement / Clump of Enteromorpha / Ulva species of the green algae Gutweed (Ulvaceae) growing on rock on the beach at low tide, Normandy, France. August 2020
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Philippe Clement / Gutweed / Sea lettuce (Ulva intestinalis / Enteromorpha intestinalis) green alga washed on rocky beach, Normandy, France, June
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Philippe Clement / Gutweed (Ulva intestinalis / Enteromorpha intestinalis), sea lettuce (Ulva lactuca) and spiral wrack / flat wrack (Fucus spiralis) washed on beach, Normandy, France, June
