Adamska, E. (2011) Lichen recolonization in the city of Toruń. Ecological Questions 15: 119–125.
Akaike, H. (1979) A Bayesian extension of the minimum AIC procedure of autoregressive model fitting. Biometrika 66: 237–242.
Asta, J., Erhardt, W., Ferretti, M., Fornasier, F., Kirschbaum, U., Nimis, P. L., Purvis, O. W., Pirintsos, S., Scheidegger, C., van Haluwyn, C. et al. (2002) Mapping lichen diversity as an indicator of environmental quality. In Monitoring with Lichens – Monitoring Lichens (P. L. Nimis, C. Scheidegger & P. A. Wolseley, eds): 273–279. Dordrecht: Kluwer Academic Publishers.
Baselga, A. (2010) Partitioning the turnover and nestedness components of beta diversity. Global Ecology and Biogeography 19: 134–143.
Bennett, J. P. & Wetmore, C. M. (1999) Changes in element contents of selected lichens over 11 years in northern Minnesota, USA. Environmental and Experimental Botany 41: 75–82.
Cislaghi, C. & Nimis, P. L. (1997) Lichens, air pollution and lung cancer. Nature 387: 463–464.
Frati, L. & Brunialti, G. (2006) Long-term biomonitoring with lichens: comparing data from different sampling procedures. Environmental Monitoring and Assessment 119: 391–404.
Giordani, P. (2006) Variables influencing the distribution of epiphytic lichens in heterogeneous areas: a case study for Liguria, NW Italy. Journal of Vegetation Science 17: 195–206.
Giordani, P. (2007) Is the diversity of epiphytic lichens a reliable indicator of air pollution? A case study from Italy. Environmental Pollution 146: 317–323.
Giordani, P. & Malaspina, P. (2017) Do tree-related factors mediate the response of lichen functional groups to eutrophication? Plant Biosystems 151: 1062–1072.
Giordani, P., Brunialti, G. & Alleteo, D. (2002) Effects of atmospheric pollution on lichen biodiversity (LB) in a Mediterranean region (Liguria, NW-Italy). Environmental Pollution 118: 53–64.
Giordani, P., Calatayud, V., Stofer, S., Seidling, W., Granke, O. & Fischer, R. (2014
a) Detecting the nitrogen critical loads on European forests by means of epiphytic lichens. A signal-to-noise evaluation. Forest Ecology and Management 311: 29–40.
Giordani, P., Matteucci, E., Redana, M., Ferrarese, A. & Isocrono, D. (2014
b) Unsustainable cattle load in alpine pastures alters the diversity and the composition of lichen functional groups for nitrogen requirement. Fungal Ecology 9: 69–72.
Giordani, P., Rizzi, G., Caselli, A., Modenesi, P., Malaspina, P. & Mariotti, M. G. (2016) Fire affects the functional diversity of epilithic lichen communities. Fungal Ecology 20: 49–55.
Hawksworth, D. L. & Rose, L. (1970) Qualitative scale for estimating sulphur dioxide air pollution in England and Wales using epiphytic lichens. Nature 227: 145–148.
Hultengren, S., Gralén, H. & Pleijel, H. (2004) Recovery of the epiphytic lichen flora following air quality improvement in south-west Sweden. Water, Air, and Soil Pollution 154: 203–211.
Larsen, R. S., Bell, J. N. B., James, P. W., Chimonides, J., Rumsey, F. J., Tremper, A. & Purvis, W. O. (2007) Lichen and bryophyte distribution on oak in London in relation to air pollution and bark acidity. Environmental Pollution 146: 332–340.
Legendre, P. & Gauthier, O. (2014) Statistical methods for temporal and space-time analysis of community composition data. Proceedings of the Royal Society of London B: Biological Sciences 281: 20132728.
Legendre, P., Daniel Borcard, D. & Peres-Neto, P. R. (2005) Analyzing beta diversity: partitioning the spatial variation of community composition data. Ecological Monographs 75: 435–450.
Loppi, S., Frati, L., Paoli, L., Bigagli, V., Rossetti, C., Bruscoli, C. & Corsini, A. (2004) Biodiversity of epiphytic lichens and heavy metal contents of Flavoparmelia caperata thalli as indicators of temporal variations of air pollution in the town of Montecatini Terme (central Italy). Science of the Total Environment 326: 113–122.
Matos, P., Geiser, L., Hardman, A., Glavich, D., Pinho, P., Nunes, A., Soares, A. M. V. M. & Branquinho, C. (2017) Tracking global change using lichen diversity: towards a global-scale ecological indicator. Methods in Ecology and Evolution 8: 788–798.
Nascimbene, J., Benesperi, R., Brunialti, G., Catalano, I., Dalle Vedove, M., Grillo, M., Isocrono, D., Matteucci, E., Potenza, G., Puntillo, D., et al. (2013) Patterns and drivers of β-diversity and similarity of Lobaria pulmonaria communities in Italian forests. Journal of Ecology 101: 493–505.
Nascimbene, J., Lazzaro, L. & Benesperi, R. (2015) Patterns of β-diversity and similarity reveal biotic homogenization of epiphytic lichen communities associated with the spread of black locust forests. Fungal Ecology 14: 1–7.
Nimis, P. L. (2016) The Lichens of Italy. A Second Annotated Catalogue. Trieste: Edizioni Università di Trieste.
Nimis, P. L., Castello, M. & Perotti, M. (1990) Lichens as biomonitors of sulphur dioxide pollution in La Spezia (Northern Italy). Lichenologist 22: 333–344.
Nimis, P. L., Lazzarin, A., Lazzarin, G. & Gasparo, D. (1991) Lichens as bioindicators of air pollution by SO2 in the Veneto Region (NE Italy). Studia Geobotanica 11: 3–76.
Nimis, P. L., Scheidegger, C. & Wolseley, P. (eds) (2002) Monitoring with Lichens – Monitoring Lichens. Dordrecht: Kluwer Academic Publishers.
Pinho, P., Augusto, S., Branquinho, C., Bio, A., Pereira, M. J., Soares, A. & Catarino, F. (2004) Mapping lichen diversity as a first step for air quality assessment. Journal of Atmospheric Chemistry 49: 377–389.
Podani, J. (2001) SYN-TAX 2000. Computer Programs for Data Analysis in Ecology and Systematics. User’s Manual. Budapest: Scientia.
Podani, J. & Schmera, D. (2011) A new conceptual and methodological framework for exploring and explaining pattern in presence-absence data. Oikos 120: 1625–1638.
Podani, J., Ricotta, C. & Schmera, D. (2013) A general framework for analyzing beta diversity, nestedness and related community-level phenomena based on abundance data. Ecological Complexity 15: 52–61.
Purvis, A. & Hector, A. (2000) Getting the measure of biodiversity. Nature 405: 212–219.
R Core Team (2017) R: A Language and Environment for Statistical Computing. R Foundation for Statistical Computing, Vienna, Austria. URL: https://www.R-project.org/.
Richardson, D. H. S. (1993) Pollution Monitoring with Lichens. Slough: Richmond Publishing.
Seaward, M. (1993) Lichens and sulphur dioxide air pollution: field studies. Environmental Reviews 1: 73–91.
van Dobben, H. F. & DeBakker, A. Y. (1996) Re-mapping epiphytic lichen biodiversity in the Netherlands: effects of decreasing SO2 and increasing NH3
. Acta Botanica Neerlandica 45: 55–71.
van Dobben, H. F. & ter Braak, C. J. F. (1998) Effects of atmospheric NH3 on epiphytic lichens in the Netherlands: the pitfalls of biological monitoring. Atmospheric Environment 32: 551–557.
van Dobben, H. F. & ter Braak, C. J. F. (1999) Ranking of epiphytic lichen sensitivity to air pollution using survey data: a comparison of indicator scales. Lichenologist 31: 27–39.
van Herk, C. M. (2001) Bark pH and susceptibility to toxic air pollutants as independent causes of changes in epiphytic lichen composition in space and time. Lichenologist 33: 415–441.
Whittaker, R. H. (1960) Vegetation of the Siskiyou Mountains, Oregon and California. Ecological Monographs 30: 279–338.
Whittaker, R. H. (1972) Evolution and measurement of species diversity. Taxon 21: 213–251.