Hafellner, J. 2009: Phacothecium resurrected and the new genus Phacographa (Arthoniales) proposed. - Bibliotheca Lichenologica100: 85-121. [RLL List # 216 / Rec.# 30841] Keywords: PHACOGRAPHA/ PHACOTHECIUM/ NEW TAXA/ ARTHONIALES/ LICHENICOLOUS/ KEY/ OPEGRAPHA
Abstract: [Detailed discussion of Phacothecium varium (Tul.) Trevis and the exclusion of Opegrapha anomea Nyl. from the genus Phacothecium. New: Phacographa gen. nov., P. glaucomaria (Nyl.) comb. nov., P. protoparmeliae sp. nov. (Austria, Spain), P. zwackhii (A. Massal. ex Zwackh) comb. nov. "Opegrapha" rotunda is not included in Phacographa. Author includes a key to lichenicolous opegraphoid fungi with widely exposed discs (8 taxa).]