@article {gottschling_phylogenetic_2001,
	title = {Phylogenetic analysis and character evolution of Ehretia and Bourreria (Ehretiaceae, Boraginales) and their allies based on {ITS1} sequences},
	volume = {123},
	number = {2},
	year = {2001},
	pages = {249{\textendash}268},
	keywords = {Boraginales 2013},
	author = {Marc Gottschling and HH Hilger}
}
