Thambugala, K. M.; Ariyawansa, H. A.; Liu, Z.-Y.; Chukeatirote, E.; Hyde, K. D. Towards a Natural Classification of Dothideomycetes 6: The Genera Dolabra, Placostromella, Pleosphaerellula, Polysporidiella and Pseudotrichia (Dothideomycetes incertae sedis). Phytotaxa 2014, 176, 55–67.