@article {491,
	title = {L{\textquoteright}Heliotrope Princesse Charlotte},
	journal = {La Belgique Horticole},
	volume = {2},
	year = {1852},
	month = {1852///},
	pages = {37 - 40},
	author = {Morren,M.C.}
}
@article {470,
	title = {Heliotropium submolle, eine neue Art aus dem Freistaate Ecuador},
	journal = {Allgemeine Gartenzeitung},
	volume = {20},
	year = {1852},
	month = {1852///},
	pages = {89 - 91},
	author = {Klotzsch, F.}
}
