Green laver, known as aonori (; ) in Japan, sea cabbage () in China, and parae () in Korean, is a type of edible green seaweed, including species from the genera "Monostroma" and "Ulva" ("Ulva prolifera", "Ulva pertusa", "Ulva intestinalis"). It is commercially cultivated in some bay areas in Japan, Korea, and Taiwan, such as Ise Bay. It is rich in minerals such as calcium, magnesium, lithium, vitamins, and amino acids such as methionine. It is also called "aosa" (アオサ, "Ulva pertusa") in some places in Japan.