Snout cabbage scientific name for Ulva, also known as horseshoe cabbage, lake cabbage, water anemone, etc., is a kind of perennial water plants, can only grow in the water. Its leaves floating in the water, similar to the lotus leaves, flowers in full bloom, shaped like a lotus, white or purple, very beautiful. Mostly distributed in China, Zhejiang, Jiangsu, Hubei and other places, often used by people as a delicious specialty dishes.