J.  Hafellner and Berger, F., ?Über zwei seltene lichenicole Pilze auf Trapelia?, Herzogia, vol. 14, pp. 31-34, 2000.

M.  Grube and Hafellner, J., ?Studien an flechtenbewohnenden Pilzen der Sammelgattung Didymella (Ascomycetes, Dothideales)?, Nova Hedwigia, vol. 51, pp. 283-360, 1990.

M.  Matzer and Hafellner, J., ?Eine Revision der lichenicolen Arten der Sammelgattung Rosellinia (Ascomycetes)?, Bibliotheca Lichenologica, vol. 37, p. 138 pp., 1990.

P.  Navarro-Rosinés, Calatayud, V., and Hafellner, J., ?Cercidospora?, in Lichen Flora of the Greater Sonoran Desert Region, vol. 2, Tempe, Arizona: Lichens Unlimited, 2004, pp. 635-639.

M.  Grube and Hafellner, J., ?Studien an flechtenbewohnenden Pilzen der Sammelgattung Didymella (Ascomycetes, Dothideales)?, Nova Hedwigia, vol. 51, pp. 283-360, 1990.

J.  Hafellner, ?Studien über lichenicole Pilze und Flechten VII. Über die neue Gattung Lichenochora (Ascomycetes, Phyllachorales)?, Nova Hedwigia, vol. 48, pp. 357-370, 1989.

L.  Muggia, Hafellner, J., Wirtz, N., Hawksworth, D. L., and Grube, M., ?The sterile microfilamentous lichenized fungi Cystocoleus ebeneus and Racodium rupestre are relatives of plant pathogens and clinically important dothidealean fungi?, Mycological Research, vol. 112, pp. 50-56, 2008.

J.  Hafellner, ?Über Funde von lichenicolen Pilzen und Flechten im südichen Norwegen?, Herzogia, vol. 9, pp. 749-768, 1993.

B. D.  Ryan, Nash, T. H., and Hafellner, J., ?Protoparmelia?, in Lichen Flora of the Greater Sonoran Desert Region, vol. 2, Tempe, Arizona: Lichens Unlimited, 2004, pp. 425-430.

A.  Fleischhacker, Grube, M., Frisch, A., Obermayer, W., and Hafellner, J., ?Arthonia parietinaria ? a common but frequently misunderstood lichenicolous fungus on species of the Xanthoria parietina-group?, Fungal Biology, vol. 120, pp. 1341-1353, 2016.

N.  Hoffmann and Hafellner, J., ?Eine Revision der lichenicolen Arten der Sammelgattungen Guignardia und Physalospora (Ascomycotina)?, Bibliotheca Lichenologica, vol. 77, p. 181 pp. + 9 pl., 2000.

M.  Grube and Hafellner, J., ?Studien an flechtenbewohnenden Pilzen der Sammelgattung Didymella (Ascomycetes, Dothideales)?, Nova Hedwigia, vol. 51, pp. 283-360, 1990.

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.

J.  Hafellner, ?Catolechia Flotow ex Massalongo emend. Körber und Epilichen Clements ex Hafellner - zwei nahe verwandte Flechtengattungen?, Nova Hedwigia, vol. 30, pp. 673-695, 1978.

J.  Miadlikowska, Kauff, F., Högnabba, F., Oliver, J. C., Molnar, K., Fraker, E., Gaya, E., Hafellner, J., Hofstetter, V., Gueidan, C., Otálora, M. A. G., Hodkinson, B., Kukwa, M., Lücking, R., Björk, C., Sipman, H. J. M., Burgaz, A. R., Thell, A., Passo, A., Myllys, L., Goward, T., Fernández-Brime, S., Hestmark, G., Lendemer, J., Lumbsch, H. T., Schmull, M., Schoch, C. L., Sérusiaux, E., Maddison, D. R., Arnold, A. E., Lutzoni, F., and Stenroos, S., ?A multigene phylogenetic synthesis for the class Lecanoromycetes (Ascomycota): 1307 fungi representing 1139 infrageneric taxa, 317 genera and 66 families?, Molecular Phylogenetics and Evolution, vol. 79, pp. 132-168, 2014.

J.  Hafellner and Casares-Porcel, M., ?Untersuchungen an den Typusarten der lichenisierten Ascomycetengattungen Acarospora und Biatorella und die daraus entstehenden Konsequenzen?, Nova Hedwigia, vol. 55, pp. 309-323, 1992.

K. L.  Dillman, Ahti, T., Björk, C. R., Clerc, P., Ekman, S., Goward, T., Hafellner, J., Pérez-Ortega, S., Printzen, C., Savic, S., Schultz, M., Svensson, M., Thor, G., Tønsberg, T., Vitikainen, O., Westberg, M., and Spribille, T., ?New records, range extensions and nomenclatural innovations for lichens and lichenicolous fungi from Alaska, USA?, Herzogia, vol. 25, pp. 177-210, 2012.

J.  Hafellner, Obermeyer, W., and Tretiach, M., ?Miriquidica invadens, an obligate youth parasite on Sporastatia, with remarks and a key to species of the M. griseoatra group?, Lichenologist, vol. 46, pp. 303-331, 2014.

M.  Grube, Matzer, M., and Hafellner, J., ?A preliminary account of the lichenicolous Arthonia species with reddish, K+ reactive pigments?, Lichenologist, vol. 27, pp. 25-42, 1995.

I.  Martínez and Hafellner, J., ?Lichens and lichenicolous fungi on Peltigerales in the Iberian Peninsula and the Canary Islands?, Mycotaxon, vol. 69, pp. 271-310, 1998.

M.  Tretiach and Hafellner, J., ?Flechten und lichenicole Pilze vom Mt. Fleons (Karnische Alpen, Italien) I. Gesteins- und bodenbewohnende Arten?, Herzogia, vol. 14, pp. 99-111, 2000.