Pyrenula Ach., Kongliga Svenska Vetenskaps Academiens Handlingar, Ny Följd 30, 160 (1809)

Index Fungorum number: IF ; Facesoffungi number: FoF 14247

Pyrenula is a crustose lichenized genus recorded from smooth and shaded bark that mainly occurs in the tropics but is also distributed in the temperate regions (Cáceres et al. 2013, Ingle et al. 2018). The genus comprises more than 225 species with Pyrenula nitida as the type (Wijayawardene et al. 2022).