Three new species of Stigmidium s. l. (lichenicolous ascomycetes) on Acarospora and Squamarina

Calatayud, V., Triebel, D. 2003. Three new species of Stigmidium s. l. (lichenicolous ascomycetes) on Acarospora and Squamarina. LICHENOLOGIST, 35:103-116.