C.  Ruibal, Millanes, A. M., and Hawksworth, D. L., ?Molecular phylogenetic studies on the lichenicolous Xanthoriicola physciae reveal Antarctic rock-inhabiting fungi and Piedraia species among closest relatives in the Teratosphaeriaceae?, IMA Fungus, vol. 2, pp. 97-103, 2011.

P. W.  Crous, Carris, L. M., Giraldo, A., Groenewald, J. Z., Hawksworth, D. L., Hernández-Restrepo, M., Jaklitsch, W. M., Lebrun, M. - H., Schumacher, R. K., Stielow, J. B., van der Linde, E. J., Vilc?ne, J., Voglmayr, H., and Wood, A. R., ?The Genera of Fungi - fixing the application of the type species of generic  names ? G 2:  Allantophomopsis, Latorua, Macrodiplodiopsis, Macrohilum,  Milospium, Protostegia, Pyricularia, Robillarda, Rotula, Septoriella, Torula and Wojnowicia?, IMA Fungus, vol. 6, pp. 163-198, 2015.