P.  Diederich, ?New or interesting lichenicolous heterobasidiomycetes?, Opuscula Philolichenum, vol. 4, pp. 11-22, 2007.

A. M.  Millanes, Truong, C., Westberg, M., Diederich, P., and Wedin, M., ?Host switching promotes diversity in host-specialized mycoparasitic fungi: uncoupled evolution in the Biatoropsis - Usnea system?, Evolution, vol. 68, pp. 1576-1593, 2014.

A. M.  Millanes, Diederich, P., Westberg, M., and Wedin, M., ?Three new species in the Biatoropsis usnearum complex?, Herzogia, vol. 29, pp. 337-354, 2016.

P.  Diederich, ?New or interesting lichenicolous fungi 1. Species from Luxembourg?, Mycotaxon, vol. 37, pp. 297-330, 1990.

P.  Diederich, Lawrey, J. D., Sikaroodi, M., and Gillevet, P. M., ?A new lichenicolous teleomorph is related to plant pathogens in Laetisaria and Limonomyces (Basidiomycota, Corticiales)?, Mycologia, vol. 103, pp. 525-533, 2011.

P.  Diederich and Lawrey, J. D., ?New lichenicolous, muscicolous, corticolous and lignicolous taxa of Burgoa s.l. and Marchandiomyces s.l. (anamorphic Basidiomycota), a new genus for Omphalina foliacea, and a catalogue and a key to the non-lichenized, bulbilliferous basidiomycetes?, Mycological Progress, vol. 6, pp. 61-80, 2007.

P.  Diederich, Lawrey, J. D., Capdet, M., Pereira, S., Romero, A. I., Etayo, J., Flakus, A., Sikaroodi, M., and Ertz, D., ?New lichen-associated bulbil-forming species of Cantharellales (Basidiomycetes)?, Lichenologist, vol. 46, pp. 333-347, 2014.

A. M.  Millanes, Diederich, P., Ekman, S., and Wedin, M., ?Phylogeny and character evolution in the jelly fungi (Tremellomycetes, Basidiomycota, Fungi)?, Molecular Phylogenetics and Evolution, vol. 61, pp. 12-28, 2011.

J. D.  Lawrey, Binder, M., Diederich, P., Molina, M. C., Sikaroodi, M., and Ertz, D., ?Phylogenetic diversity of lichen-associated homobasidiomycetes?, Molecular Phylogenetics and Evolution, vol. 44, pp. 778-789, 2007.

P.  Diederich, ?The lichenicolous heterobasidiomycetes?, Bibliotheca Lichenologica, vol. 61, p. 198 pp., 1996.