Lichenicolous fungi from the Holarctic. Part V
Endococcus collematis is reported for the first time for Asia and Russia. Xenonectriella physciacearum and X. zimmermanni are reported for the first time for Russia. Sclerococcum zhurbenkoi is recorded for the first time for Asia, North America and the Arctic; the records are based on materials from Norway, Russia, Canada and the USA. A specimen of XenonectrieUa cf. physciacearum with unusually long ascospores is briefly described. Distinctive characters of every species with references to previous descriptions and illustrations are provided.