Oligoporus Leucospongia is a specific species of fungus that belongs to the family Polyporaceae. Synonyms for this fungus include Polyporus Leucospongia, Trametes Leucospongia, and Poria Leucospongia. This fungus is commonly known as the White Sponge Polypore, due to its white, sponge-like appearance. Oligoporus Leucospongia is primarily found in North America and Europe, growing on dead hardwoods such as oaks, maples, and beeches. It is commonly used in Chinese medicine to treat liver and lung diseases. Due to its medicinal properties, Oligoporus Leucospongia is a popular ingredient in herbal remedies, and can also be used as a dietary supplement to boost immune system function.