Literature

Authors	Year	Title
M. H. Buys, Hilger H. H.	2003	Boraginaceae cymes are exclusively scorpioid and not helicoid
N. Diane, Förther, H., Hilger, H. H.	2002	A systematic analysis of Heliotropium, Tournefortia, and allied taxa of the Heliotropiaceae (Boraginales) based on ITS1 sequences and morphological data
N. Diane, Hilger, H. H., Gottschling, M.	2002	Transfer cells in the seeds of Boraginales
N. Diane, Jacob, C., Hilger, H. H.	2003	Leaf anatomy and foliar trichomes in Heliotropiaceae and their systematic relevance
M. Gottschling, Diane, N., Hilger, H. H., Weigend, M.	2004	Testing hypotheses on disjunctions present in the Primarily Woody Boraginales: Ehretiaceae, Cordiaceae, and Heliotropiaceae, inferred from ITS1 sequence data
M. Gottschling, Hilger, H. H., Wolf, M., Diane, N.	2001	Secondary structure of the ITS1 transcript and its application in a reconstruction of the phylogeny of Boraginales
H. H. Hilger	1992	Morphology of Heliotropium (Boraginaceae) dispersal units
H. H. Hilger	1989	Flower and fruit development in the Macaronesian endemic Ceballosia fruticosa (syn. Messerschmidia fruticosa, Boraginaceae, Heliotropioideae)
H. H. Hilger	1987	Fruchtbiologische Untersuchungen an Heliotropioideae (Boraginaceae). I. Die Ontogenie der monospermen Früchte von Heliotropium supinum L.
H. H. Hilger, Diane N.	2003	A systematic analysis of Heliotropiaceae (Boraginales) based on trnL and ITS1 sequence data
H. H. Hilger, Gottschling, M., Selvi, F., Bigazzi, M., Långström, E., Zippel, E., Diane, N., Weigend, M.	2005	The Euro+Med treatment of Boraginaceae in Willdenowia 34 – a response
H. H. Hilger, Zippel E.	2001	"Studies in the Boraginaceae": An index to the publications of Ivan M. Johnston dealing with the Borage family
F. Luebert, Brokamp, G., Wen, J., Weigend, M., Hilger, H. H.	2011	Phylogenetic relationships and morphological diversity in Neotropical Heliotropium (Heliotropiaceae)
F. Luebert, Hilger H. H.	2014	Typification of Heliotropium and Tournefortia (Heliotropiaceae) species described by Ruiz and Pavón
F. Luebert, Hilger, H. H., Weigend, M.	2011	Diversification in the Andes: Age and origins of South American Heliotropium lineages (Heliotropiaceae, Boraginales)
F. Luebert, Jacobs, P., Hilger, H. H., Muller, L. A. H.	2014	Evidence for nonallopatric speciation among closely related sympatric Heliotropium species in the Atacama Desert
F. Luebert, Weigend, M., Hilger, H. H.	2010	Epitypification of Heliotropium arborescens L. (Heliotropiaceae)
P. Pliscoff, Luebert, F., Hilger, H. H., Guisan, A.	2014	Effects of alternative sets of climatic predictors on species distribution models and associated estimates of extinction risk: A test with plants in an arid environment