Certified Organic – This jelly fungus, Woodear or Jew’s Ear, has been used for thousands of years in China to treat hemorrhoids, as a stomach tonic, antitumor action, and to lower cholesterol. It is also known as black fungus, black Chinese fungus (or mushroom), wood ear fungus, wood fungus, ear fungus, or tree ear fungus, an allusion to its rubbery ear-shaped growth.