The Mycocaliciaceae are a family of fungi in the order Mycocaliciales, comprising seven genera and approximately 90 species. Originally proposed in 1970 by Alexander Schmidt, the family is characteris

Phaeocalicium polyporaeum, the fairy pin or common pin, is a species of non-lichenized fungus in the genus Phaeocalicium. They grow to a maximum size of 2.5 mm and resemble black matchsticks, with thi