@article {4222,
	title = {The genus Buellia s.l. and some additional genera of Physciaceae in the Canary Islands},
	journal = {Nova Hedwigia},
	volume = {92},
	year = {2011},
	pages = {29-55},
	issn = {00295035},
	doi = {10.1127/0029-5035/2011/0092-0029},
	url = {http://www.ingentaconnect.com/content/10.1127/0029-5035/2011/0092-0029},
	author = {Giralt, M. and Van den Boom, P.P.G.}
}
