Cortinarius archeri is a truffle-like species of mushroom found in southern Australia, New Zealand, and California in the United States. It is common in eucalypt or mixed forests and is mycorrhizal, forming a close relationship with the roots of eucalypts or closely related trees. Although considered solitary, the mushroom can commonly be found in groups of two or three. The species has no common name.Photo: Noodle snacks