Literature

Authors	Year	Title
A. Richardson, King W. K.	2009	Tournefortia hirsutissima (Boraginaceae) new to the flora of Texas
H. Riedl	1985	Heliotropium balansae sp. n., und die Heliotropium bacciferum-Gruppe
T. Rjagopal, Ramayya N.	1966	On the taxonomy of the genus Heliotropium L., from Hyderabad with a revised key to the South Indian species
C. B. Robinson	1909	Philippine Boraginaceae
N. F. Refulio-Rodriguez, Olmstead R. G.	2014	Phylogeny of Lamiidae
G. Rodríguez	1993	El género Heliotropium L. (Boraginaceae) en Venezuela. Sinopsis
H. H. Rusby	1895	On the collections of Mr. Miguel Bang in Bolivia, part II
M. K. Sahay	1973	Pollen morphology of Heliotropium
R. Scheel, Ybert, J. P., Barth, O. M.	1996	Pollen morphology of the Boraginaceae from Santa Catarina state (southern Brazil), with comments on the taxonomy of the family
H. A. Schrader	1819	De Asperifoliis Linnei Commentatio Recitata
R. Sharma	1954	Floral anatomy of Heliotropium indicum L.
I. A. Al-Shehbaz	1991	The genera of Boraginaceae in the southeastern United States
J. Sims	1814	Heliotropium corymbosum
D. J. Smith	1910	Undescribed plants from Guatemala and other Central American Republics. XXXIII
C. L. Spegazzini	1902	Nova addenda ad floram Patagonicam II
C. L. Spegazzini	1901	Plantae novae nonnullae Americae australis
P. C. Standley	1938	Boraginaceae in Flora of Costa Rica
K. G. Tamanyan	2011	Checklist of Boraginaceae Juss. family in Armenia (in Russian)
M. Thulin	2003	Three new species of Heliotropium (Boraginaceae) from the Horn of Africa region
T. A. Al‐Turki, Omer, S., Ghafoor, A.	2001	Two new species of Heliotropium L. (Boraginaceae) from Saudi Arabia
B. L. Turner	2007	Distribution of Heliotropium torreyi (Boraginaceae), and the description of a new species from its midst
B. L. Turner, Williams J.	2010	Heliotropium procumbens (Boraginaceae): Native or adventive in the USA?
E. Tölke, Carmello-Guerreiro, S. Maria, De Melo, J. Iranildo M.	2015	Leaf anatomy of six species of Heliotropiaceae Schrad. from the Brazilian semi-arid region
A. Urzúa, Modak, B., Villarroel, L., Torres, R., Andrade, L.	1998	Comparative flavonoid composition of the resinous exudates from Heliotropium chenopdiaceum var. chenopodiaceum and H. chenopodiaceum var. ericoideum
A. Urzúa, Modak, B., Villarroel, L., Torres, R., Andrade, L., Mendoza, L., Wilkens, M.	2000	External flavonoids from Heliotropium megalanthum and H. huascoense (Boraginaceae). Chemotaxonomic considerations
A. Urzúa, Villarroel, L., Torres, R., Teillier, S.	1993	Flavonoids in the resinous exudate of chilean Heliotropium species from Cochranea section
E. Santiago-Valentín, Sánchez-Pinto, L., Francisco-Ortega, J.	2015	Domingo Bello y Espinosa (1817–1884) and the new taxa published in his Apuntes para la flora de Puerto-Rico
C. Gijsbert G. van Steenis	1934	Heliotropium elongatum Hofm. in Java
P. van Tieghem	1906	Sur les Heliotropiacées
B. Verdcourt	1989	Two synonymies in Boraginaceae
B. Verdcourt	1988	A new genus Nogalia (Boraginaceae: Heliotropioideae) from Somaliland and southern Arabia
B. Verdcourt	1987	On the typification of Heliotropium supinum L.(Boraginaceae)
D. D. Vieira, Conceição, A. S., Melo, J. I. M., Stapf, M. N. S.	2013	A família Boraginaceae sensu lato na APA Serra Branca/Raso da Catarina, Bahia, Brasil
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
O. A. Volkova, Severova, E. E., Polevova, S. V.	2013	Structural basis of harmomegathy: Evidence from Boraginaceae pollen
E. von Raab-Straube, Raus T.	2013	Euro+Med-Checklist Notulae, 2
D. F. Ward, Fantz P. R.	1977	Keys to the flora of Florida – 3, Boraginaceae
M. Weigend, Brokamp, G., Kirbach, A., Förther, H.	2003	Notas sobre Heliotropium krauseanum Fedde, la única especie de Heliotropium sect. Cochranea del Perú (Heliotropiaceae = Boraginaceae subfam. Heliotropioideae)
M. Weigend, Luebert, F., Gottschling, M., Couvreur, T. L. P., Hilger, H. H., Miller, J. S.	2014	From capsules to nutlets – Phylogenetic relationships in the Boraginales
W. D. Wiesenborn, Pratt G. F.	2010	Visitation of heliotrope and western purslane flowers by Hesperopsis gracielae (Lepidoptera: Hesperiidae)

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