Spirulina platensis
Spirulina platensis (Arthrospira platensis) is a cyanobacterium originating in Central and East Africa. Now also widespread in Central America, the algae has been in use for hundreds of years in the cuisine of its countries of origin. It is known for its extraordinary nutrient density; in fact, it even serves as a primary food source for some animals, such as flamingos. Depending on the environment and the water quality, spirulina develops different phenotypes and nutrient densities, and it can multiply rapidly given optimal conditions. While spirulina has been traditionally cultivated in the Pacific, where it benefits from its preferred alkaline and salty water, today it is cultivated worldwide in inland, man-made spirulina farms as well as in freshwater.