Schizophyllum commune is a species of fungus in the genus Schizophyllum

It has 23,328 distinct mating types.[5] Individuals of any mating type are compatible for mating with most other mating types. There are two genetic loci determining the mating type, locus A with 288 alleles and locus B with 81 alleles. A pair of fungi will only be fertile if they have different A and different B alleles;[6] that is, each mating type can enter fertile pairings with 22,960 others.