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FIG. 2. Phylogeny of the basal Ascomycota. Tree topology is based on the 50% majority rule consensus of 18 000 Bayesian MCMCMC-generated trees. Numbers on branches indicate Bayesian posterior probability. Positions separated by a slash indicate bootstrap values based on parsimony analysis with third codon position/ parsimony analysis without third codon position/ neighbor joining (NJ) analysis with third codon position/NJ analysis without third codon position; an asterisk indicates lack of bootstrap support. Branches supported by 
95% posterior probability and 70% bootstrap value in all analyses (parsimony vs. NJ, third codon included vs. excluded) are indicated by thick lines. Dotted arrows indicate alternative groupings found with 70% bootstrap support: I = parsimony analysis with third codon position; II = both parsimony and NJ analyses with third codon position; III = NJ analysis without third codon position.
