Sporeless Oyster (Pleurotus ostreatus) is a type of edible mushroom that grows in clusters on dead or decaying hardwood trees, such as oak and maple. It is characterized by its large, fan-shaped caps that are pale to dark grey and have frilly white edges. These mushrooms are known for their ease of cultivation, delicate flavor, and meaty texture, making them a popular ingredient in cooking. Sporeless Oyster is a specific variety or strain of the Pleurotus oyster mushroom that is characterized by its lack of spores.