Template:Ahti & Isoviita, 1987
- Ahti, T. & Isoviita, P. 1987. The typification of the generic name Parmeliopsis (lichenized fungi). Taxon: Journal of the International Association for Plant Taxonomy 36(1): 105–108. DOI: 10.1002/j.1996-8175.1987.tb03941.x . ResearchGate .