Gary Bell/ Oceanwide / Sea Lettuce (Ulva australis) and other alga, Hopkins Island, South Australia, Australia
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Chris Mattison / Gutweed (Enteromorpha intestinalis) growing in shallow rock pool, Isle of Ulva, Mull, Scotland, June.
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Solvin Zankl / Green algae (Ulva nematoidea) on white background, from Swakopmund, Namibia, Africa, South Atlantic, April. Preserved specimen.
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Solvin Zankl / Intertidal rocks covered in seaweeds, including, brown algae: at top Toothed wrack (Fucus serratus) and on the left Bifurcaria bifurcata. Red algae: middle and bottom right Pepper dulse (Osmundea pinn...
Philippe Clement / Gutweed / grass kelp (Enteromorpha intestinalis / Ulva intestinalis) washed ashore on Normandy coast, France, September
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Christophe Courteau / Aerial view of Saint-Michel-en-Grve beach. The green color of water is due to algae (Ulva armoricana) growth caused by nitrogen pollution from agriculture. Cotes d'Armor, Brittany, France, September 2...
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MYN / Carsten Krieger / Sea Lettuce (Ulva lactuca) on Common Limpet (Patella vulgata) from tide pool, County Clare, Republic of Ireland, December. Meetyourneighbours.net project
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MYN / Carsten Krieger / Sea Lettuce (Ulva lactuca) on Common Limpet (Patella vulgata) from tide pool, County Clare, Republic of Ireland, December. Meetyourneighbours.net project
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MYN / Carsten Krieger / Sea Lettuce (Ulva lactuca) from tide pool, Carageen, County Clare, Republic of Ireland, December. Meetyourneighbours.net project
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MYN / Carsten Krieger / Sea Lettuce (Ulva lactuca) from tide pool, County Clare, Republic of Ireland, December. Meetyourneighbours.net project
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Tui De Roy / Marine Iguana (Amblyrhynchus cristatus) feeding on Sea Lettuce (Ulva sp) at low tide, Galapagos Islands, Ecuador