"floating seaweed" is a correct and usable phrase in written English
You can use it to describe seaweed that is drifting on the surface of the water, rather than being anchored to the ocean floor. Example: As we sailed out of the harbor, we passed by patches of floating seaweed, giving the ocean a vibrant green color.
By most accounts, Ito's masterpiece was the Sendai (Japan) Mediatheque (completed 2001), a multipurpose cultural centre whose design was inspired by floating seaweed.
Most are bottom-dwellers (benthos), but the bivalve genera Claraia, Posidonia, Daonella, Halobia, and Monotis, often used as Triassic index fossils, were planktonic and may have achieved widespread distribution by being attached to floating seaweed.
Dr. Venter, who now runs nonprofit research institutes in Rockville, Md., is trying to determine the genomes of all of the microbes in the Sargasso Sea, an area of the Atlantic Ocean near Bermuda known for its floating seaweed.
"In the North Pacific, for example, there's no floating seaweed like there is in the Sargasso Sea in the North Atlantic.
Florida beachgoers sometimes mistake the ugly brown mats for trash, but sargassum, a floating seaweed, plays an important role in the Gulf of Mexico ecosystem, harboring fish larvae, young turtles, and other creatures.
But if the government sticks to that method alone, they won't know the fate of this year's endangered Kemp's ridley hatchlings, which seek out floating seaweed patches in the gulf after leaving their nests in Mexico, until those hatchlings mature, up to 15 years later.
As the music dies down, another six women, in short silvery dresses, enter from stage right with hypnotic, slow-motion runs, arms curving around their bodies like floating strands of seaweed.
But if the same stimulus occurs again with no further consequence, it is probably safe: regular repetition of the same stimulus implies that it is part of the background, such as the waving of a branch in the wind or the shadow caused by a piece of seaweed floating with the waves.
Sargasso Sea, area of the North Atlantic Ocean, elliptical in shape and relatively still, that is strewn with free-floating seaweed of the genus Sargassum.
Licking the mint chocolate chip cone from the stand in front of our hotel by The Split after a quick dip in the aqua water, made dark in large splatter spots from the seaweed gently floating on the ocean floor.
Sand trickles down the frame, floating to the bottom like plankton or seaweed.
