Basionym Name:Microthelia exigua Müll. Arg., in Engler, Bot. Jb. 6: 416 (1885)
Homotypic synonyms:Bogoriella exigua (Müll. Arg.) Aptroot & Lücking, Lichenologist 48(6): 910 (2016)Mycomicrothelia exigua (Müll. Arg.) D. Hawksw., Bull. Br. Mus. nat. Hist., Bot. 14(2): 84 (1985)Pseudobogoriella exigua (Müll. Arg.) Lücking, R. Miranda & Aptroot, in Hongsanan et al., Fungal Diversity: 10.1007/s13225-020-00462-6, [172] (2020)