Hedgehog mushroom - live on the acorn and big size [Hedgehog Mushroom] . Hydnum repandum, commonly known as the sweet tooth, wood hedgehog, or hedgehog mushroom, is a basidiomycete fungus of the family Hydnaceae. First described by Carl Linnaeus in 1753, it is the type species of the genus Hydnum. . +++Happy new year my friends! Let's Make 2024 the best ever!! Bloody Beefsteak Mushroom in Jackso..