O. W.  Purvis, Fernández-Brime, S., Westberg, M., and Wedin, M., ?Myriospora, a genus newly reported for Antarctica with a worldwide key to the species?, Lichenologist, vol. 50, pp. 101-112, 2018.

M.  Wedin, Westberg, M., Crewe, A. T., Tehler, A., and Purvis, O. W., ?Species delimitation and evolution of metal bioaccumulation in the lichenized Acarospora smaragdula (Ascomycota, Fungi) complex?, Cladistics, vol. 25, pp. 161-172, 2009.

M.  Westberg, Millanes, A. M., Knudsen, K., and Wedin, M., ?Phylogeny of the Acarosporaceae (Lecanoromycetes, Ascomycota, Fungi) and the evolution of carbonized ascomata?, Fungal Diversity, vol. 73, pp. 145-158, 2015.

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.

A.  Ko?uthová, Fernández-Brime, S., Westberg, M., and Wedin, M., ?Collolechia revisited and a re-assessment of ascus characteristics in Placynthiaceae (Peltigerales, Ascomycota)Abstract?, Lichenologist, vol. 48, pp. 3-12, 2016.

M.  Westberg, ?Candelariella (Candelariaceae) in western United States and northern Mexico: the polysporous species?, Bryologist, vol. 110, pp. 375-390, 2007.

M.  Westberg, ?Candelariella (Candelariaceae) in western United States and northern Mexico: The 8-spored, lecanorine Species ?, Bryologist, vol. 110, pp. 391-419, 2007.

M.  Westberg, Arup, U., and Kärnefelt, I., ?Phylogenetic studies in the Candelariaceae (lichenized Ascomycota) based on nuclear ITS DNA sequence data?, Mycological Research, vol. 111, pp. 1277-1284, 2007.

A.  Thell, Elix, J. A., Feuerer, T., Hansen, E. S., Kärnefelt, I., Schüler, N., and Westberg, M., ? Notes on the systematics, chemistry and distribution of European Parmelia and Punctelia species (lichenized ascomycetes)?, Sauteria, vol. 15, pp. 545-559, 2008.

P.  RESL, Schneider, K., Westberg, M., Printzen, C., Palice, Z., Thor, G., Fryday, A., Mayrhofer, H., and Spribille, T., ?Diagnostics for a troubled backbone: testing topological hypotheses of trapelioid lichenized fungi in a large-scale phylogeny of Ostropomycetidae (Lecanoromycetes)?, Fungal Diversity, vol. 73, pp. 239-258, 2015.

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.

M.  Westberg and Arup, U., ?Candelaria pacifica sp. nova (Ascomycota, Candelariales) and the identity of C. vulgaris?, Bibliotheca Lichenologica, vol. 106, pp. 353-364, 2011.

M.  Westberg, Morse, C. A., and Wedin, M., ?Two new species of Candelariella and a key to the Candelariales (lichenized Ascomycetes) in North America?, Bryologist, vol. 114, pp. 325 - 334, 2011.

M.  Westberg and Arup, U., ?Candelaria concolor - a rare lichen in the Nordic countries?, Graphis Scripta, vol. 22, pp. 38-42, 2010.

M.  Westberg and Clerc, P., ?Five species of Candelaria and Candelariella (Ascomycota, Candelariales) new to Switzerland?, MycoKeys, vol. 3, pp. 1-12, 2012.

M.  Westberg, Crewe, A. T., Purvis, O. W., and Wedin, M., ?Silobia, a new genus for the Acarospora smaragdula complex (Ascomycota, Acarosporales) and a revision of the group in Sweden?, Lichenologist, vol. 43, pp. 7-25, 2011.