The symptoms in Abalone Mushroom are different from Oyster Family mushrooms as stalks are shorter than usual, withered and undeveloped. Mushroom caps are small, writhed and don’t fully spread out. For bigger mushrooms, they will not be fully spread out. Their edges will be curvy. Some roll down and twist. Mushroom caps split into small outgrowths on the same stalk. Mushrooms are gray/black in the front and the back. If you see these symptoms, here are some solution guidelines you can follow: