TY - JOUR T1 - The Arthonialean challenge: restructuring Arthoniaceae JF - Taxon Y1 - 2014 DO - 10.12705/634.20 A1 - Frisch, A. A1 - Thor, G. A1 - Ertz, D. A1 - Grube, M. SP - 727 EP - 744 VL - 63 UR - http://openurl.ingenta.com/content/xref?genre=article&issn=0040-0262&volume=63&issue=4&spage=727 ER -