@article {4777,
	title = {Sphaerellothecium phaeorrhizae and Zwackhiomyces sipmanii spp. nov. on Phaeorrhiza sareptana from north-eastern Asia, with a key to the species of Sphaerellothecium},
	journal = {Bibliotheca Lichenologica},
	volume = {99},
	year = {2009},
	pages = {113-122},
	author = {Diederich, P. and Zhurbenko, M.P.}
}
