I. M.  Brodo and Vänskä, H., ?Notes on the maritime, lignicolous lichen Lecanora orae-frigidae?, Lichenologist, vol. 16, pp. 45-51, 1984.

L.  ?liwa and Wetmore, C. M., ?Notes on the Lecanora varia group in North America?, Bryologist, vol. 103, pp. 475-492, 2000.

B.  Guzow-Krzemi?ska, ?ubek, A., Malí?ek, J., Tønsberg, T., Oset, M., and Kukwa, M., ?Lecanora stanislai, a new, sterile, usnic acid containing lichen species from Eurasia and North America?, Phytotaxa, vol. 329, no. 3, p. 201, 2017.

J.  Malí?ek, Berger, F., Palice, Z., and Vondrák, J., ?Corticolous sorediate Lecanora species (Lecanoraceae, Ascomycota) containing atranorin in Europe?, Lichenologist, vol. 49, pp. 431-455, 2017.

I.  Martínez and Aragón, G., ?The Lecanora varia group in Spain: species with amphithecial cortex?, Bryologist, vol. 107, pp. 222-230, 2004.

J. R.  Laundon, ?Six lichens of the Lecanora varia group?, Nova Hedwigia, vol. 76, pp. 83-111, 2003.

J.  Malí?ek, ?A revision of the epiphytic species of the Lecanora subfusca group (Lecanoraceae, Ascomycota) in the Czech Republic?, Lichenologist, vol. 46, pp. 489-513, 2014.

M.  Grube, Baloch, E., and Arup, U., ?A phylogenetic study of the Lecanora rupicola group (Lecanoraceae, Ascomycota)?, Mycological Research, vol. 108, pp. 506-514, 2004.

J.  Blaha, Baloch, E., and Grube, M., ?High photobiont diversity associated with the euryoecious lichen-forming ascomycete Lecanora rupicola (Lecanoraceae, Ascomycota)?, Biological Journal of the Linnean Society, vol. 88, pp. 283-293, 2006.

B.  Edwards, Aptroot, A., Hawksworth, D. L., and James, P. W., ?Lecanora?, in Lichens of Great Britain and Ireland, London: British Lichen Society, 2009, pp. 465-502.

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.

A.  Aptroot, Gilbert, O. L., Hawksworth, D. L., and Coppins, B. J., ?Lecidea?, in Lichens of Great Britain and Ireland, London: British Lichen Society, 2009, p. 19 pp.

A. M.  Fryday and Coppins, B. J., ?New taxa, reports, and names of lichenized and lichenicolous fungi, mainly from the Scottish Highlands?, Lichenologist, vol. 44, pp. 723-737, 2012.

C. M.  van Herk and Aptroot, A., ?Lecanora compallens and L. sinuosa, two new overlooked corticolous lichen species from western Europe?, Lichenologist, vol. 31, pp. 543-553, 1999.