The main feature of the tooth fungi are the spines below the cap. The spores are produced there. The majority of tooth fungi are too tough to be edible. The Hydnaceae are now placed within the Order Cantharellales. Like the chanterelles, they are firm mushrooms. They are mycorrhizal with conifers and with hardwoods. White s.p. Hydnum repandum is larger than a similar edible species, Hydnum umbilicatum. 051-001