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Green sea weed leaf isolated on the white background.
Rhodophyta red algae branch isolated on white. Red seaweed.
Ocean sea plants and algae: seaweeds
Brown seaweed in brackish water - seen in a canal in Venezia in the northern part of Italy
Polisiphonia sp. - Red algae frozen into ice in the salt water of the Tiligul estuary, Ukraine
Red seaweed floating in crystal clear water.
Ulva lactuca or sea lettuce seaweed over sand. Zambujeira do Mar, Portugal
Lush green sea grass underwater- Posidonia Oceania
Beautiful pattern of green algae on sandy bottom of Baltic sea in shallow water, abstract background
Red algae or seaweed branch isolated on white
3D Illustration of a red coral isolated on white background
Sea weeds green on the ocean floor off the coast of Brittany, France during a beautiful summer day.
Backgrounds
Abstract water surface with colored highlights reflections and green algae underwater on the bottom
Brown algae (fucus). macro of algal body (blade. thallus). Invisible to the eye world of marine plants and animals
Daytime top view close-up of Seaweed (Fucus Vesiculosus) at the Dutch Wadden (the Wadden Sea, a World Heritage Site) near Termunterzijl {Groningen), shallow DOF
Photobioreactor in lab algae fuel biofuel industry. Algae fuel o
Bladderwrack or rockweed on the stony beach at Hvalsey Beach outside Qaqortoq - Julianehåb on a sunny summers day
Forkweed or dictyota dichotoma brown algae frond isolated on white. Forked ribbon seaweed.
Sea weeds green on the ocean floor off the coast of Brittany, France during a beautiful summer day.
Green and red algae on underwater rocks (Enteromorpha, Ulva, Ceramium, Polisiphonia), Black Sea
Close-up of green algae, seaweed abstract background, green texture
Filamentous seaweed at low tide, wrack. Ultra macro
A sample of Corallina seaweed is partially buried in the sand and submerges under a few inches of salt water on a beach in California during the winter.  The location is between Laguna Beach and Newport Beach.
Freshwater aquatic plant Whorled water milfoil (Myriophyllum verticillatum)
Growing seagrass
Fucus vesiculosus,rockweed, bladder wrack, black tang, sea grapes, bladder fucus, sea oak, cut weed, dyers fucus, red fucus \nor rock wrack brown seaweed isolated on white
Postelsia palmaeformis, also known as the sea palm or palm seaweed, is a species of kelp and classified within brown algae.. Pacific Ocean waves hitting the rocks at Salt Point State Park, Sonoma County, California.
Green seaweed (Ulva compressa). Marine fish.
Abstract close-up of kelp with shallow focus.
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