Polysporina is a genus of fungi in the family Acarosporaceae. The genus was circumscribed by the Czech lichenologist AntonÃÂn VÃÂzda in 1978. Some of the species form lichens, while others are species of lichenicolous (lichen-dwelling) fungi.
, Species Fungorum (in the Catalogue of Life) accepts seven species of Polysporina: