OTUs;Distribution;Substrata;References S02;"Antarctica, Austria, Canada, Chile, Germany, Greenland, Iceland, Morocco, Norway, Poland, Portugal, Russia, Slovakia, Spain, Sweden, UK, USA";"corticolous, saxicolous and terricolous";"Muggia et al. 2014, Leavitt et al. 2015, Singh et al. 2017, this study" S04;"Canada, Estonia, Germany, Netherlands, Poland, Sweden, Turkey, USA";"corticolous and saxicolous";"Leavitt et al. 2015, this study" S05;"Canada, Finland, Italy, Norway, Spain, Sweden, Turkey, USA";"corticolous, saxicolous and terricolous";"Blaha et al. 2006, Muggia et al. 2014, Leavitt et al. 2015, Singh et al. 2017, Dal Grande et al. 2018, Paul et al. 2018, this study" SUn1;"Canada, Finland, Spain, Sweden";"corticolous and terricolous";"Opanowicz and Grube 2004, Piercey-Normore 2009, Lindgren et al. 2014, Onuț-Brännström et al. 2018, this study" SUn2;"Canada, Norway, Russia, Sweden";"corticolous and terricolous";"Piercey-Normore 2009, Domaschke et al. 2012, Lindgren et al. 2014, this study"