@article {4246,
	title = {The lichen genus Ochrolechia in Poland III with a key and notes on some taxa},
	journal = {Herzogia},
	volume = {22},
	year = {2009},
	pages = {43-66},
	url = {http://www.blam-hp.eu/Herzogia_22/H22-Kukwa-Ochrolechia.pdf},
	author = {Kukwa, M.}
}
@inbook {4245,
	title = {Ochrolechia},
	booktitle = {Lichens of Great Britain and Ireland},
	year = {2009},
	pages = {626-631},
	publisher = {British Lichen Society},
	organization = {British Lichen Society},
	address = {London},
	author = {Fletcher, A. and James, P.W. and Purvis, O.W.}
}
@article {4180,
	title = {Molecular phylogeny of the Pertusariaceae supports secondary chemistry as an important systematic character set in lichen-forming ascomycetes},
	journal = {Molecular Phylogenetics and Evolution},
	volume = {33},
	year = {2004},
	pages = {43-55},
	issn = {10557903},
	doi = {10.1016/j.ympev.2004.04.014},
	url = {http://linkinghub.elsevier.com/retrieve/pii/S1055790304001435},
	author = {Schmitt, I. and Lumbsch, H.T.}
}
@article {2039,
	title = {The lichen genus Ochrolechia in Poland III, with a key, and notes on some taxa},
	journal = {Herzogia},
	volume = {22},
	year = {2009},
	pages = {43-66},
	url = {http://www.blam-hp.eu/Herzogia_22/Kukwa.pdf},
	author = {Kukwa, M.}
}
@article {2038,
	title = {The lichen genus Ochrolechia in the Baltic countries},
	journal = {Folia Cryptogamica Estonica},
	volume = {46},
	year = {2009},
	pages = {67-74},
	url = {http://www.ut.ee/ial5/fce/fce46pdf/fce46_kukwa.pdf},
	author = {Kukwa, M.}
}
@article {2037,
	title = {The sorediate and isidiate, corticolous, crustose lichens in Norway},
	journal = {Sommerfeltia},
	volume = {14},
	year = {1992},
	pages = {331 pp.},
	author = {T{\o}nsberg, T.}
}
