Galerina is a genus of small brown-spored saprotrophic agarics, with over 300 species found throughout the world, from the far north to remote Macquarie Island in the Southern Ocean. Wood AE (2001) Studies in the genus Galerina. Australian Systematic Botany 14, 615–676 This group is most noted for toxic species which are occasionally confused with hallucinogenic species of Psilocybe.