@inbook {4911,
	title = {Calicium},
	booktitle = {Nordic Lichen Flora},
	volume = {1},
	year = {1999},
	pages = {22-29},
	publisher = {Nordic Lichen Society},
	organization = {Nordic Lichen Society},
	address = {Uddevalla},
	author = {Tibell, L.}
}
@article {4019,
	title = {Cladoniaceae},
	journal = {Nordic Lichen Flora},
	volume = {5},
	year = {2013},
	pages = {117 pp.},
	isbn = {978-91-85221-29-5},
	author = {Ahti, T. and Stenroos, S. and Moberg, R.}
}
@inbook {3967,
	title = {Calicioid lichens and fungi},
	booktitle = {Nordic Lichen Flora },
	volume = {1},
	year = {1999},
	pages = {20-94},
	publisher = {The Nordic Lichen Society},
	organization = {The Nordic Lichen Society},
	address = {Uddevalla, Sweden},
	issn = {9197286338},
	author = {Tibell, L.},
	editor = {Ahti, T. and et al}
}
@article {3115,
	title = {Caliciales},
	journal = {Nordic Lichen Flora},
	volume = {1},
	year = {1999},
	pages = {20-94},
	author = {Tibell, L.}
}
@book {2911,
	title = {Cladoniaceae},
	series = {Nordic Lichen Flora},
	volume = {5},
	year = {2013},
	pages = {116 pp},
	publisher = {Nordic Lichen Society},
	organization = {Nordic Lichen Society},
	address = {Uppsala},
	isbn = {978-91-85221-29-5},
	author = {Ahti, T. and Stenroos, S.},
	editor = {Ahti, T. and Stenroos, S. and Moberg, R.}
}
@article {2393,
	title = {Lobaria},
	journal = {Nordic Lichen Flora},
	volume = {3},
	year = {2007},
	pages = {77-82},
	author = {T{\o}nsberg, T. and J{\o}rgensen, P.M.}
}
