@article {4259,
	title = {A new taxonomy of the Caloplaca citrina group in the Nordic countries, except Iceland},
	journal = {Lichenologist},
	volume = {38},
	year = {2006},
	pages = {1-20},
	issn = {0024-2829},
	doi = {10.1017/S0024282905005402},
	url = {http://www.journals.cambridge.org/abstract_S0024282905005402},
	author = {Arup, U.}
}
@article {4099,
	title = {Caloplaca citrina and C. lactea are incorrectly understood in the British Isles},
	journal = {British Lichen Society Bulletin},
	volume = {109},
	year = {2011},
	pages = {25-30},
	author = {Powell, M. and Vondr{\'a}k, J.}
}
@article {3258,
	title = {A new taxonomy of the family Teloschistaceae},
	journal = {Nordic Journal of Botany},
	volume = {31},
	year = {2013},
	pages = {16-83},
	doi = {10.1111/more.2013.31.issue-110.1111/j.1756-1051.2013.00062.x},
	url = {http://doi.wiley.com/10.1111/more.2013.31.issue-1},
	author = {Arup, U. and S{\o}chting, U. and Fr{\"o}d{\'e}n, P.}
}
@inbook {2413,
	title = {Caloplaca},
	booktitle = {Lichens of Great Britain \& Ireland},
	year = {2009},
	pages = {245-273},
	publisher = {British Lichen Society},
	organization = {British Lichen Society},
	address = {London},
	author = {Fletcher, A. and Laundon, J.R.}
}
@article {2025,
	title = {Yellow sorediate crusts called "Caloplaca citrina" in England},
	journal = {British Lichen Society Bulletin},
	volume = {110},
	year = {2012},
	pages = {20-24},
	author = {Powell, M. and Vondr{\'a}k, J.}
}
@article {2019,
	title = {Italian balustrade at Cliveden hosts Italian lichens?},
	journal = {British Lichen Society Bulletin},
	volume = {110},
	year = {2012},
	pages = {11-14},
	author = {Powell, M. and Vondr{\'a}k, J.}
}
@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.}
}
@article {2017,
	title = {Caloplaca calcitrapa sp. nov. (Teloschistaceae). Un nuevo liquen sax{\'\i}colo{\textendash}calc{\'\i}cola mediterr{\'a}neo},
	journal = {Bulletin de la Soci{\'e}t{\'e} Linn{\'e}ene de Provence},
	volume = {51},
	year = {2000},
	pages = {145-152},
	author = {Navarro-Rosin{\'e}s, P. and Gaya, E. and Roux, C.}
}
