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.

X.  Zhao, Leavitt, S. D., Zhao, Z. T., Zhang, L. L., Arup, U., Grube, M., Pérez-Ortega, S., Printzen, C., ?liwa, L., Kraichak, E., Divakar, P. K., Crespo, A., and Lumbsch, H. T., ?Towards a revised generic classification of lecanoroid lichens (Lecanoraceae, Ascomycota) based on molecular, morphological and chemical evidence?, Fungal Diversity, vol. 78, pp. 293-304, 2016.

C.  Printzen and Kantvilas, G., ?Hertelidea, genus novum Stereocaulacearum (Ascomycetes lichenisati).?, Bibliotheca Lichenologica, vol. 88, pp. 539-553, 2004.

T.  Spribille, Björk, C. R., Ekman, S., Elix, J. A., Goward, T., Printzen, C., Tønsberg, T., and Wheeler, T., ?Contributions to an epiphytic lichen flora of northwest North America: I. Eight new species from British Columbia inland rain forests?, Bryologist, vol. 112, pp. 109-137, 2009.

S.  Stenroos, Huhtinen, S., Lesonen, A., Palice, Z., and Printzen, C., ?Puttea, gen. nov., erected for the enigmatic lichen Lecidea margaritella?, Bryologist, vol. 112, pp. 544-557, 2009.

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.

T.  Spribille, Björk, C. R., Ekman, S., Elix, J. A., Goward, T., Printzen, C., Tønsberg, T., and Wheeler, T., ?Contributions to an epiphytic lichen flora of northwest North America: I. Eight new species from British Columbia inland rain forests?, Bryologist, vol. 112, pp. 109 - 137, 2009.

C.  Printzen, ?Die Flechtengattung Biatora in Europa. ?, Bibliotheca Lichenologica, vol. 60, pp. 1-275, 1995.

C.  Printzen and Palice, Z., ?The distribution, ecology and conservational status of the lichen genus Biatora in Central Europe?, Lichenologist, vol. 31, pp. 319-335, 1999.

C.  Printzen, Holien, H., and Etayo, J., ?Two new Biatora species from western Norway and Madeira?, Lichenologist, vol. 30, pp. 213-219, 1998.