@article {117,
	title = {<em>Heppia arenacea</em> and Lempholemma polycarpum, two new species from Southern Yemen and Socotra},
	journal = {The Lichenologist},
	volume = {37},
	number = {3},
	year = {2005},
	pages = {227-235},
	chapter = {227},
	author = {M. Schultz}
}
