Volvariella is a genus of mushrooms with pink gills and spore prints. They lack a ring, and have an Amanita-like volva at the stem base. Some species of Amanita look similar, but Amanita has white spores and often have a ring. Since the gills of young Volvariella are white at first, they're more easily mistaken for Amanita. Many sources list Volvariella as a member of the Pluteaceae family, but recent DNA studies have revealed that Pluteus and Volvareilla evolved separately and have very diffe… (More on Volvariella)