@article {67,
	title = {Cyanophyte Cephalodia in the Lichen Genus <em>Nephroma</em>},
	journal = {American Journal of Botany},
	volume = {58},
	number = {6},
	year = {1971},
	pages = {562-568},
	chapter = {562},
	author = {Jordan, William Paul and Fred. R. Rickson}
}
