“…is the type genus of the Pilocarpaceae (lichenized Ascomycota) and is mainly distributed in tropical and subtropical regions worldwide (Lücking 2008). At present, 58 species are recognized worldwide, growing mainly on living leaves and bark, sometimes on rocks and on the thalli of other lichens (Santesson 1952;James 1971;Vězda 1975Vězda , 1986Vězda , 1987Vězda , 1994Sérusiaux 1978Sérusiaux , 1979Sérusiaux , 1996Sérusiaux , 1998Kalb & Vězda 1990, 1994Coppins et al 1992;Sipman & Aptroot 1992;Fárkas & Vězda 1993;Malcolm & Vězda 1995;Ekman 1996;Kondratyuk 1996;Aptroot et al 1997;Lücking et al 1998Lücking et al , 2002Thor et al 2000;Sérusiaux et al 2002;Schubert et al 2003;Lücking 2006Lücking , 2008Lücking , 2013Messuti & de la Rosa 2007;Lumbsch et al 2011;Breuss 2013Breuss , 2014Cáceres et al 2013;Aptroot 2014;van den Boom 2016;Elix & McCarthy 2018;Wang et al 2020a). The genus Byssoloma is characterized by its byssoid apothecial margin (inconspicuous in some species) and I+ dark blue asci with a tubular structure at the apices ('Byssoloma type' in Hafellner (1984)), pyriform or oblong conidia, and mainly transversely 1-7-septate ascospores, sometimes up to 19(-23)-septate in some species (Sérusiaux 1993;…”