@article {906,
	title = {The genus Paulia (Lichinaceae)},
	journal = {Lichenologist},
	volume = {18},
	year = {1986},
	pages = {201-229},
	author = {Henssen, A.}
}
@article {905,
	title = {Paulia glomerata, a new epilithic species from Europe, and additional notes on some other Paulia species.},
	journal = {Nova Hedwigia},
	volume = {60},
	year = {1995},
	pages = {297-309},
	author = {Henssen, A. and Tretiach, M.}
}
