Basionym Name:Arthopyrenia tenuis R.C. Harris, Michigan Bot. 12(1): 16 (1973)
Homotypic synonyms:Dichoporis tenuis (R.C. Harris) S.H. Jiang, Lücking & Sérus., in Hongsanan et al., Fungal Diversity: 10.1007/s13225-020-00462-6, [129] (2020)Strigula americana R.C. Harris, in Tucker & Harris, Bryologist 83(1): 18 (1980)