J.  Etayo and Diederich, P., ?Lichenicolous fungi from the western Pyrenees, France and Spain. II. More deuteromycetes?, Mycotaxon, vol. 60, pp. 415-428, 1996.

J.  Etayo and Diederich, P., ?Lichenicolous Fungi from the Western Pyrenees, France and Spain. IV. Ascomycetes?, Lichenologist, vol. 30, pp. 103-120, 1998.

P.  Diederich, Lawrey, J. D., and Ertz, D., ?The 2018 classification and checklist of lichenicolous fungi, with 2000 non-lichenized, obligately lichenicolous taxa?, Bryologist, vol. 121, pp. 340-425, 2018.

D.  Ertz, Heuchert, B., Braun, U., Freebury, C. E., Common, R. S., and Diederich, P., ?Contribution to the phylogeny and taxonomy of the genus Taeniolella, with a focus on lichenicolous taxa?, Fungal Biology, vol. 120, pp. 1416-1447, 2016.

B.  Heuchert, Braun, U., Diederich, P., and Ertz, D., ?Taxonomic monograph of the genus Taeniolella s. lat. (Ascomycota)?, Fungal Systematics and Evolution, vol. 2, pp. 69-261, 2018.

W. A.  Untereiner, Gueidan, C., Orr, M. - J., and Diederich, P., ?The phylogenetic position of the lichenicolous ascomycete Capronia peltigerae?, Fungal Diversity, vol. 49, pp. 225-233, 2011.

P.  Diederich, ?Abrothallus?, in Lichen Flora of the Greater Sonoran Desert Region, vol. 2, Tempe, Arizona: T.H. Nash (Lichens Unlimited), 2004, pp. 626-630.

J. D.  Lawrey, Diederich, P., Nelsen, M. P., Freebury, C., van den Broeck, D., Sikaroodi, M., and Ertz, D., ?Phylogenetic placement of lichenicolous Phoma species in the Phaeosphaeriaceae (Pleosporales, Dothideomycetes)?, Fungal Diversity, vol. 55, pp. 195-213, 2012.

J.  Etayo and Diederich, P., ?Lichenicolous Fungi from the Western Pyrenees, France and Spain. Ill. Species on Lobaria pulmonaria?, Bulletin de la Société Naturelle de Luxembourg, vol. 97, pp. 93-118, 1996.

P.  Diederich, ?New species and new records of American lichenicolous fungi?, Herzogia, pp. 41-90, 2003.

P.  Diederich and Zhurbenko, M. P., ?Sphaerellothecium phaeorrhizae and Zwackhiomyces sipmanii spp. nov. on Phaeorrhiza sareptana from north-eastern Asia, with a key to the species of Sphaerellothecium?, Bibliotheca Lichenologica, vol. 99, pp. 113-122, 2009.

P.  Diederich, Ertz, D., Lawrey, J. D., Sikaroodi, M., and Untereiner, W. A., ?Molecular data place the hyphomycetous lichenicolous genus Sclerococcum close to Dactylospora (Eurotiomycetes) and S. parmeliae in Cladophialophora (Chaetothyriales)?, Fungal Diversity, vol. 58, pp. 61-72, 2013.

D. L.  Hawksworth and Diederich, P., ?A synopsis of the genus Polycoccum (Dothideales), with a key to accepted species?, Transactions of the British Mycological Society, vol. 90, pp. 293-312, 1988.

P.  Diederich and Etayo, J., ?A Synopsis of the genera Skyttea, Llimoniella and Rhymbocarpus (lichenicolous Ascomycota, Leotiales)?, Lichenologist, vol. 32, pp. 423-485, 2000.

A.  Suija, Ertz, D., Lawrey, J. D., and Diederich, P., ?Multiple origin of the lichenicolous life habit in Helotiales, based on nuclear ribosomal sequences?, Fungal Diversity, vol. 70, pp. 55-72, 2015.

P.  Diederich, Ertz, D., and Etayo, J., ?An enlarged concept of Llimoniella (lichenicolous Helotiales), with a revised key to the species and notes on related genera?, Lichenologist, vol. 42, pp. 253-269, 2010.

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, Lawrey, J. D., Sikaroodi, M., Van den Boom, P. P. G., and Ertz, D., ?Briancoppinsia, a new coelomycetous genus of Arthoniaceae (Arthoniales) for the lichenicolous Phoma cytospora, with a key to this and similar taxa?, Fungal Diversity, vol. 52, pp. 1-12, 2012.

J. D.  Lawrey, Diederich, P., Nelsen, M. P., Sikaroodi, M., Gillevet, P. M., Brand, A. M., and van den Boom, P., ?The obligately lichenicolous genus Lichenoconium represents a novel lineage in the Dothideomycetes?, Fungal Biology, vol. 115, pp. 176-187, 2011.

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

P.  Diederich and van den Boom, P., ?Two new lichenicolous species of Hainesia (asexual Ascomycetes) growing on Cladonia?, Bulletin de la Société des naturalistes luxembourgeois, vol. 114, pp. 59-63, 2013.

M.  Eichler, Cezanne, R., Diederich, P., Ertz, D., van den Broeck, D., van den Boom, P., and Sérusiaux, E., ?New or interesting lichens and lichenicolous fungi from Belgium, Luxembourg and northern France. XIII?, Bulletin de la Société des naturalistes luxembourgeois, vol. 111, pp. 33-46, 2010.

D.  Ertz, Diederich, P., Brand, A. M., van den Boom, P., and Sérusiaux, E., ?New or interesting lichens and lichenicolous fungi from Belgium, Luxembourg and northern France. XI.?, Bulletin de la Société des Naturalistes de Luxembourg, vol. 109, pp. 35-51, 2008.

D.  Ertz, Diederich, P., Lawrey, J. D., Berger, F., Freebury, C. E., Coppins, B., Gardiennet, A., and Hafellner, J., ?Phylogenetic insights resolve Dacampiaceae (Pleosporales) as polyphyletic: Didymocyrtis (Pleosporales, Phaeosphaeriaceae) with Phoma-like anamorphs resurrected and segregated from Polycoccum (Trypetheliales, Polycoccaceae fam. nov.)?, Fungal Diversity, vol. 74, pp. 53-89, 2015.

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.

D.  Ertz, Miadlikowska, J., Lutzoni, F., Dessein, S., Raspé, O., Vigneron, N., Hofstetter, V., and Diederich, P., ?Towards a new classification of the Arthoniales (Ascomycota) based on a three-gene phylogeny focussing on the genus Opegrapha?, Mycological Research, vol. 113, pp. 141-152, 2009.

P.  Diederich, Ertz, D., Eichler, M., Cezanne, R., Van den Boom, P. P. G., Fischer, E., Killmann, D., van den Broeck, D., and Sérusiaux, E., ?New or interesting lichens and lichenicolous fungi from Belgium, Luxembourg and northern France. XIV?, Bulletin de la Société des naturalistes luxembourgeois, vol. 113, pp. 95-115, 2012.

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.

D.  Ertz, Lawrey, J. D., Common, R. S., and Diederich, P., ?Molecular data resolve a new order of Arthoniomycetes sister to the primarily lichenized Arthoniales and composed of black yeasts, lichenicolous and rock-inhabiting species?, Fungal Diversity, vol. 66, pp. 113-137, 2014.

J.  Etayo and Diederich, P., ?Arthonia protoparmeliopseos, a new lichenicolous fungus on Protoparmeliopsis muralis from Spain and Luxembourg?, Bulletin de la Société des naturalistes luxembourgeois, vol. 110, pp. 93-96, 2009.

P.  Diederich, ?Description of Abrothallus parmotrematis sp. nov. (lichenicolous Ascomycota)?, Bulletin de la Société des Naturalistes Luxembourgeois, vol. 112, pp. 25-34, 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 and Wedin, M., ?The species of Hemigrapha (lichenicolous Ascomycetes, Dothideales) on Peltigerales?, Nordic Journal of Botany, vol. 20, no. 2, pp. 203-214, 2000.

P.  Diederich, ?New species and new records of American lichenicolous fungi?, Herzogia, vol. 16, pp. 41-90, 2004.

P.  Diederich, Van den Boom, P. P. G., and Aptroot, A., ?Cladoniicola staurospora gen. et sp. nov., a new lichenicolous coelomycete from western Europe?, Belgian Journal of Botany, vol. 134, pp. 127-130, 2001.

A.  Aptroot, Diederich, P., Sérusiaux, E., and Sipman, H. J. M., ?Lichens and lichenicolous fungi from New Guinea?, Bibliotheca Lichenologica, vol. 64, pp. 1-220, 1997.

E.  Sérusiaux, Diederich, P., Brand, A. M., and van den Boom, P., ?New or interesting lichens and lichenicolous fungi from Belgium and Luxembourg. VIII?, Lejeunia n.s., vol. 162, pp. 1-95, 1999.

J. D.  Lawrey, Diederich, P., Nelsen, M. P., Sikaroodi, M., Gillevet, P. M., Brand, A. M., and van den Boom, P., ?The obligately lichenicolous genus Lichenoconium represents a novel lineage in the Dothideomycetes?, Fungal Biology, vol. 115, pp. 176 - 187, 2011.

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

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