Fig. 3

Maximum likelihood (ML) phylogenetic trees of Saksenaea spp. based on the concatenated sequences. A: dataset 1 (1,276 positions in total) consisted of the ITS2 region (168 positions), the partial LSU region (637 positions), and the partial tef1 gene (471 positions). The value of the log likelihood was − 3633.090024. B: dataset 2 (1,662 positions in total) consisted of the ITS1-5.8S-ITS2 region (554 positions), the partial LSU region (637 positions), and the partial tef1 gene (471 positions). The value of the log likelihood was − 5163.803276. Bootstrap values ≥ 70% are shown at nodes. Apophysomyces elegans was used as the outgroup. Saksenaea spp. were clustered into three clades as defined by Alvarez et al. (2010). “T” beside each strain name indicates the strains as ex-type strains