Literature

Authors	Year	Title
W. D. Wiesenborn, Pratt G. F.	2010	Visitation of heliotrope and western purslane flowers by Hesperopsis gracielae (Lepidoptera: Hesperiidae)
E. Fenzl	1886	Vier neue Pflanzenarten Süd-Amerikas
C. L. Lundell	1942	Undescribed plants from Mexico and Central America
D. J. Smith	1910	Undescribed plants from Guatemala and other Central American Republics. XXXIII
R. L. Pérez-Moreau	1963	Una nueva especie de Heliotropium de Neuquén (Boraginaceae)
A. E. Ragonese	1950	Una nueva especie de Heliotropium de la flora argentina
L. Ariza-Espinar	2003	Una especie de Tournefortia (Boraginaceae) nueva para la flora argentina
J. Iranildo M. De Melo	2007	Uma nova espécie de Tournefortia L. (Boraginaceae s.l.) para o Nordeste do Brasil
S. Cafferty, Jarvis C. E.	2004	Typification of Linnaean plant names in Boraginaceae
F. Luebert, Hilger H. H.	2014	Typification of Heliotropium and Tournefortia (Heliotropiaceae) species described by Ruiz and Pavón
B. Verdcourt	1989	Two synonymies in Boraginaceae
T. A. Al‐Turki, Omer, S., Ghafoor, A.	2001	Two new species of Heliotropium L. (Boraginaceae) from Saudi Arabia
C. Feuillet	2016	Two new combinations in Euploca Nutt. (Heliotropiaceae, Boraginales) and a conspectus of the species of the Guiana Shield area
J. Iranildo M. De Melo, Semir J.	2009	Two new Brazilian species and new combinations in Euploca (Heliotropiaceae)
M. Ortiz, Degen, R., Benítez, M. C.	1993	Tricomas glandulares en hoja de Heliotropium procumbens Miller
N. Diane, Hilger, H. H., Gottschling, M.	2002	Transfer cells in the seeds of Boraginales
L. Cavalheiro, Ranga, N. Taroda, Furlan, A.	2011	Tournefortia L. (Boraginaceae): espécies do Brasil extra-amazônico
J. S. Miller	2001	Tournefortia kirkii (I.M. Johnston)J.S. Mill. (Boraginaceae): A new combination for a species from Madagascar
A. Richardson, King W. K.	2009	Tournefortia hirsutissima (Boraginaceae) new to the flora of Texas
F. Luebert, Weigend M.	2012	Three new species of Heliotropium sect. Heliothamnus (Heliotropiaceae) from Peru
M. Thulin	2003	Three new species of Heliotropium (Boraginaceae) from the Horn of Africa region
H. Akhani, Förther H.	1994	The genus Heliotropium L. (Boraginaceae) in Flora Iranica area
I. A. Al-Shehbaz	1991	The genera of Boraginaceae in the southeastern United States
P. J. Vogan, Frohlich, M. W., Sage, R. F.	2007	The functional significance of C3–C4 intermediate traits in Heliotropium L. (Boraginaceae): gas exchange perspectives
I. Murray Johnston	1931	The flora of the Revillagigedo Islands
I. M. Johnston	1929	The flora of the Nitrate Coast
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
I. M. Johnston	1929	The coastal flora of the departments of Chañaral and Taltal
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
S. El Naggar, El-Hadidy, A., Olwey, A.	2015	Taxonomic revision of the genus Heliotropium (Boraginaceae s.l.) in south Yemen
J. Iranildo M. De Melo, Semir J.	2008	Taxonomia do gênero Heliotropium L. (Heliotropiaceae) no Brasil
J. Iranildo M. De Melo, Semir J.	2010	Taxonomia do gênero Euploca Nutt. (Heliotropiaceae) no Brasil
J. I. M. Melo	2015	Synopsis of Boraginaceae sensu lato in the Caatingas of the São Francisco River, Northeastern Brazil
P. van Tieghem	1906	Sur les Heliotropiacées
T. Petanidou	2005	Sugars in Mediterranean floral nectars: An ecological and evolutionary approach
U. S. Qureshi	1985	Studies on the pollen morphology of the genus Heliotropium L. from Pakistan
V. Mozaffarian	2006	Studies on the flora of Iran, four new species and a short note on an interesting Rubiaceae
I. M. Johnston	1939	Studies in the Boraginaceae, XIII. New or otherwise noteworthy species, chiefly from western United States
I. M. Johnston	1951	Studies in the Boraginaceae XX. Representatives of three subfamilies in eastern Asia
I. M. Johnston	1949	Studies in the Boraginaceae XVIII. Boraginaceae of the southern West Indies
I. M. Johnston	1937	Studies in the Boraginaceae XII. 2. Novelties and critical notes
I. M. Johnston	1935	Studies in the Boraginaceae XI. 1. The species of Tournefortia and Messerschmidia in the Old World
I. M. Johnston	1935	Studies in the Boraginaceae X. The Boraginaceae of Northeastern South America
I. M. Johnston	1930	Studies in the Boraginaceae VIII. I. Observations on the species of Cordia and Tournefortia known from Brazil. 3. Treatment of Tournefortia
I. M. Johnston	1928	Studies in the Boraginaceae VII. The South American species of Heliotropium
A. Graham, Jarzen D. M.	1969	Studies in neotropical paleobotany. I. The Oligocene communities of Puerto Rico
O. A. Volkova, Severova, E. E., Polevova, S. V.	2013	Structural basis of harmomegathy: Evidence from Boraginaceae pollen
I. M. Johnston	1959	Some noteworthy American Borages
T. E. di Fulvio	1978	Sobre la vasculatura floral, embriología y chromosomas de Ixorhea tschudiana (Heliotropiaceae)
T. E. di Fulvio	1982	Sobre la anatomía foliar y estomatogénesis de Ixorhea tschudiana (Heliotropiaceae)