List of strains used in this study.

nd: not determined, na: not applicable,* 0.5% divergence in ACT1 with clade 1, ** 1.3% divergence in ACT1 with clade 4.For a number of strains, ACT1 and RPL33 introns could not be PCR-amplified and the sequence of their ACT1 coding gene helped to place these strains into the different clades. This is the case for NBRC 0602 and NBRC 10896, CBS 2607(carrying a clade 2 allele and a clade 5 allele and being the only strains carrying this type of combination), NBRC 01003, (** 1.3% divergence with clade 4) and CBS 7911 (a clade 3 allele and *0.5 % divergence with clade 1 allele). MUCL 30824 presented a complex distribution of alleles. The strain CECT 10348 was not related to M. farinosa, but rather to the type strain NRRL YB-2798T of Sugiyamaella sp. [28] with 2 bp difference over the rDNA D1D2 585 bp long sequence.