@article {3974,
	title = {Taxonomy and phylogeny of the Caloplaca cerina group in Europe},
	journal = {Lichenologist},
	volume = {43},
	year = {2011},
	pages = {113-135},
	issn = {0024-2829},
	doi = {10.1017/S0024282910000721},
	url = {http://www.journals.cambridge.org/abstract_S0024282910000721},
	author = {{\v S}oun, J. and Vondr{\'a}k, J. and S{\o}chting, U. and Hrouzek, P. and Khodosovtsev, A. and Arup, U.}
}
@article {2018,
	title = {The taxonomy of the Caloplaca citrina group (Teloschistaceae) in the Black Sea region; with contributions to the cryptic species concept in lichenology},
	journal = {Lichenologist},
	volume = {41},
	year = {2009},
	pages = {571-604},
	doi = {10.1017/S0024282909008317},
	author = {Vondr{\'a}k, J. and {\v R}{\'\i}ha, P. and Arup, U. and S{\o}chting, U.}
}
