Aspidothelium lueckingii: a new lichenized fungus from Bolivia
The corticolous lichenized fungus Aspidothelium lueckingii Flakus is described and illustrated as new to science from the montane cloud forest in Bolivia. It is characterized by pale perithecia with seta-like appendages and large, regularly muriform ascospores. The species is the sixth known member of the genus producing muriform ascospores. A key to all known species of Aspidothelium with muriform ascospores is provided.