@article {hilger_studies_2001,
	title = {{"Studies} in the Boraginaceae" - an index to the publications of Ivan M. Johnston dealing with the borage familiy},
	volume = {11},
	year = {2001},
	pages = {1{\textendash}151},
	keywords = {Boraginales 2013},
	author = {HH Hilger and Zippel, E.}
}
