Glaucomaria is a rather well-delimited genus including the former Lecanora rupicola-group as defined by Grube & al. (2004), Blaha & Grube (2007) and Zhao & al. (2015a), characterized by strongly pruinose, often semi-immersed apothecia containing sordidone, the disc pruina reacting C+ yellow or orange. It appears to occupy a basal clade within the Lecanoraceae. A species with leprose thallus was recently added to the genus by Ivanovich-Hichins & al. (2025). The key includes the 14 infrageneric taxa known to occur in Italy, plus G: bicinctoidea, whose presence in the Italian Alps is likely.

References

Blaha J., Grube M. 2007. The new species Lecanora bicinctoidea, its position and considerations about phenotypic evolution in the Lecanora rupicola group. Mycologia, 99,1: 50-58.
Grube M., Baloch E., Arup U. 2004. A phylogenetic study of the Lecanora rupicola group (Lecanoraceae, Ascomycota). Mycol. Res., 108, 5: 506-514.
Ivanovich-Hichins C., Weber L., Li L., Leavitt S.D., Muggia L., Palice Z., Pérez-Ortega S., Sohrabi M., Printzen C. 2025. New phylogenetic insights into the lichen genus Lecanora s. lat. (Lecanoraceae, Ascomycota): resurrection of the genera Glaucomaria, Straminella and Zeora. Lichenologist, 57, 6: 278-303.
Zhao X., Leavitt S.D., Zhao Z.T., Zhang L.L., Arup U., Grube M., Pérez-Ortega S., Printzen Ch., Śliwa L., Kraichak E., Divakar, P. K., Crespo A., Lumbsch H.T. 2016. Towards a revised generic classification of lecanoroid lichens (Lecanoraceae, Ascomycota) based on molecular, morphological and chemical evidence. Fungal Divers., 78: 293-304.

Last modified: January, 4, 2026