@article {12,
	title = {Diversification in the Andes: Age and origins of South American Heliotropium lineages (Heliotropiaceae, Boraginales)},
	journal = {Molecular Phylogenetics and Evolution},
	volume = {61},
	year = {2011},
	month = {2011///},
	pages = {90 - 102},
	url = {http://dx.doi.org/10.1016/j.ympev.2011.06.001},
	author = {Federico Luebert and HH Hilger and M. Weigend}
}
@article {13,
	title = {Phylogenetic relationships and morphological diversity in Neotropical Heliotropium (Heliotropiaceae)},
	journal = {Taxon},
	volume = {60},
	year = {2011},
	month = {2011///},
	pages = {663 - 680},
	url = {http://www.ingentaconnect.com/content/iapt/tax/2011/00000060/00000003/art00004},
	author = {Federico Luebert and Grischa Brokamp and Wen, J. and M. Weigend and HH Hilger}
}
