Sea water is highly saline and specifically adapted plants can grow on its surface. These are the "marine algae" in the loose sense. They are now recognized as separate kingdoms taxonomically. The pigments present are very peculiar. read more
Because ocean plants need sunlight, most are either designed to float on the surface of the water, or grow on the ocean floor in water that is shallow enough to receive adequate sunlight. Kelp Kelp (picture above) grows in cold coastal waters. read more
Sea water is highly saline and specifically adapted plants can grow on its surface. These are the "marine algae" in the loose sense. They are now recognized as separate kingdoms taxonomically. read more
Plants That Grow at the Surface Zone of the Ocean By Debra Durkee; Updated September 21, 2017 The majority of plants that are found in the ocean are in the surface zone. read more