Phylogenetic analyses of RPB1 and RPB2 support a middle Cretaceous origin for a clade comprising all agriculturally and medically important fusaria

K. O’Donnell, A.P. Rooney, R.H. Proctor, D.W. Brown, S.P. McCormick, T.J. Ward, R.J.N. Frandsen, E. Lysøe, S.A. Rehner, T. Aoki, V.A.R.G. Robert, P.W. Crous, J.Z. Groenewald, S. Kang, D.M. Geiser