Organic Coral Tooth Mushroom Kit The Coral Tooth mushroom (Hericium coralloides) kit includes a five-pound bag of Coral Tooth mushroom mycelium growing on hardwood sawdust and soy hulls. The mycelium is the vegetative stage of the mushroom life cycle; the mushrooms are the fruits. Each kit arrives ready to produce fresh Coral Tooth mushrooms at home. Simply follow the included instructions to grow this beautiful cascading mushroom, prized for its delicate texture, mild flavor, and striking coral-like appearance.