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Phylogeny derived from maximum-likelihood (ML) analysis of sequence fragments of perA genes from representative Epichloë and Neotyphodium species and copies obtained from the Greek tall fescue endophytes. The midpoint root is at the left edge. Numbers at branches are the branch support values; branches with less than 50% support were collapsed. EtC, Epichloë typhina complex; Efe, E. festucae; LAE, Lolium-associated endophyte clade.
