What is the difference between seaweed, kelp, algae etc.?

  • Alga – The singular term for Algae.
  • Algae – Aquatic organisms that have the ability to conduct photosynthesis. Seaweed is a type of Algae.
  • Kelp – A type of Seaweed, that is big and brown.
  • Macroalgae – Another term for Seaweed.
  • Marine Algae – A type of Seaweed.
  • Microalgae – Microscopic, single-celled Algae.
  • Nori – The Japanese term for either Seaweed in general or for the dried red algae sheets used in cooking.
  • Phytoplankton – Microscopic Marine Algae.
  • Plankton – Microscopic organisms that live in water.
  • Sea Vegetable – Edible Seaweed.
  • Seagrass – Flowering Seaweed.
  • Seaweed – A plant that grows in the sea.