Luebert, F., P.  Jacobs, H. H.  Hilger, and L. A. H.  Muller. 2014. ?Evidence for nonallopatric speciation among closely related sympatric Heliotropium species in the Atacama Desert?. Ecology and Evolution 4(3):266 - 275. Retrieved  (http://onlinelibrary.wiley.com/doi/10.1002/ece3.929/abstract).

Weigend, M., F.  Luebert, F.  Selvi, G.  Brokamp, and H. H.  Hilger. 2013. ?Multiple origins for Hound?s tongues (Cynoglossum L.) and Navel seeds (Omphalodes Mill.) ? The phylogeny of the borage family (Boraginaceae s.str.)?. Molecular Phylogenetics and Evolution 68(3):604 - 618. Retrieved  (http://www.sciencedirect.com/science/article/pii/S1055790313001590).

Luebert, F. 2013. ?A revision of Heliotropium sect. Cochranea (Heliotropiaceae)?. Kew Bulletin 68(1):1 - 54. Retrieved  (http://link.springer.com/article/10.1007/s12225-013-9432-6).

Luebert, F., and M.  Weigend. 2012. ?Three new species of Heliotropium sect. Heliothamnus (Heliotropiaceae) from Peru?. Phytotaxa 49:35 - 44.

Luebert, F., H. H.  Hilger, and M.  Weigend. 2011. ?Diversification in the Andes: Age and origins of South American Heliotropium lineages (Heliotropiaceae, Boraginales)?. Molecular Phylogenetics and Evolution 61(1):90 - 102. Retrieved  (http://dx.doi.org/10.1016/j.ympev.2011.06.001).

Luebert, F., G.  Brokamp, J.  Wen, M.  Weigend, and H. H.  Hilger. 2011. ?Phylogenetic relationships and morphological diversity in Neotropical Heliotropium (Heliotropiaceae)?. Taxon 60(3):663 - 680. Retrieved  (http://www.ingentaconnect.com/content/iapt/tax/2011/00000060/00000003/art00004).

Ibáñez, S., F.  Luebert, and M.  Gómez. 2011. ?Primer registro de Heliotropium amplexicaule (Heliotropiaceae) en Chile?. Gayana Botánica 68(1):89 - 92. Retrieved  (http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-66432011000100009).

Luebert, F., M.  Weigend, and H. H.  Hilger. 2010. ?Epitypification of Heliotropium arborescens L. (Heliotropiaceae)?. Taxon 59(4):1263 - 1266. Retrieved  (http://www.ingentaconnect.com/content/iapt/tax/2010/00000059/00000004/art00023).

Luebert, F., and J.  Wen. 2008. ?Phylogenetic analysis and evolutionary diversification of Heliotropium sect. Cochranea (Heliotropiaceae) in the Atacama Desert?. Systematic Botany 33(2):390 - 402. Retrieved  (http://www.bioone.org/doi/abs/10.1600/036364408784571635).

Luebert, F., and R.  Pinto. 2004. ?Nota sobre la presencia de Heliotropium krauseanum Fedde (Heliotropiaceae) en Chile?. Gayana Botánica 61(2):60 - 62. Retrieved  (http://dx.doi.org/10.4067/S0717-66432004000200003).

Gottschling, M., F.  Luebert, H. H.  Hilger, and J. S.  Miller. 2014. ?Molecular delimitations in the Ehretiaceae (Boraginales)?. Molecular Phylogenetics and Evolution 72:1 - 6. Retrieved  (http://www.sciencedirect.com/science/article/pii/S1055790313004405).

Weigend, M. et al. 2014. ?From capsules to nutlets ? Phylogenetic relationships in the Boraginales?. Cladistics 30(5):508-518. Retrieved  (http://onlinelibrary.wiley.com/doi/10.1111/cla.12061/abstract).