"Truffles" usually means sclerotia of magic mushrooms. They're a different growth pattern of the same organism, but for example in the Netherlands, the fruiting

"Truffles" usually means sclerotia of magic mushrooms. They're a different growth pattern of the same organism, but for example in the Netherlands, the fruiting bodies (what people commonly mistake for "the fungus") are forbidden, but the sclerotia are allowed.