Figure – Phylogram generated from maximum likelihood analysis based on combined LSU,
SSU, ITS and rpb2 sequence data of Pseudodactylariales and Vermiculariopsiellales. Forty-seven
strains are included in the combined analyses which comprised 4320 characters (865 characters for
LSU, 1634 characters for SSU, 662 characters for ITS, 1159 characters for rpb2) after alignment.
Arthrinium arundinis (CBS 133509) and Arthrinium montagnei (AFTOL-ID 951) (Apiosporaceae,
Xylariales) are used as outgroup taxa. Single gene analyses were carried out and the phylogenies
were similar in topology and clade stability. Tree topology of the maximum likelihood analysis is
similar to the Bayesian analysis. The best RaxML tree with a final likelihood value of –
29256.470401 is presented. Estimated base frequencies were as follows: A = 0.249068, C =
0.239305, G = 0.280423, T = 0.231203; substitution rates AC = 1.369489, AG = 2.705642, AT =
1.345736, CG = 1.341396, CT = 6.599852, GT = 1.000000; gamma distribution shape parameter a
= 0.220775. Bootstrap support values for ML greater than 75% and Bayesian posterior probabilities
greater than 0.95 are given near the nodes, respectively. Ex-type strains are in bold.