Literature

Authors	Year	Title
W. Curtis	1790	Heliotropium peruvianum
J. Sims	1814	Heliotropium corymbosum
H. A. Schrader	1819	De Asperifoliis Linnei Commentatio Recitata
C. G. Bertero	1829	Continuación de catálogo de plantas examinadas en Chile por el Dr. Bertero
J. Georg Chri Lehmann	1829	Pugillus plantarum, in Botanico hamburgensium horto occurrentium
T. Nuttall	1837	Collections towards a flora of the territory of Arkansas
N. N. Anonymous	1849	Heliotropium peruvianum voltaireanum
F. Klotzsch	1852	Heliotropium submolle, eine neue Art aus dem Freistaate Ecuador
M. C. Morren	1852	L'Heliotrope Princesse Charlotte
J. Miers	1868	Observations on some of the Heliotropieae
R. A. Philippi	1873	Descripción de las plantas nuevas incorporadas últimamente en el herbario chileno
N. N. Anonymous	1884	A new heliotrope
E. Fenzl	1886	Vier neue Pflanzenarten Süd-Amerikas
R. A. Philippi	1891	Catalogus praevius plantarum in itinere ad Tarapacá a Federico Philippi lectarum
R. A. Philippi	1895	Plantas nuevas chilenas que corresponden al tomo IV de la obra de Gay
H. H. Rusby	1895	On the collections of Mr. Miguel Bang in Bolivia, part II
C. L. Spegazzini	1901	Plantae novae nonnullae Americae australis
C. L. Spegazzini	1902	Nova addenda ad floram Patagonicam II
F. Fedde	1906	Novorum generum, specierum, varietatum, formarumque Siphonogamarum Index. Anni 1906
P. van Tieghem	1906	Sur les Heliotropiacées
K. Reiche	1907	Estudios críticos sobre la flora de Chile. Boraginaceae
C. B. Robinson	1909	Philippine Boraginaceae
A. Lingelsheim, Pax, F., Winkler, H.	1909	Plantae Bolivianae. III
D. J. Smith	1910	Undescribed plants from Guatemala and other Central American Republics. XXXIII
J. F. Macbride	1916	Certain Boraginaceae, new or transferred
J. F. Macbride	1917	Further notes on the Boraginaceae
I. M. Johnston	1928	Studies in the Boraginaceae VII. The South American species of Heliotropium
I. M. Johnston	1929	The coastal flora of the departments of Chañaral and Taltal
I. M. Johnston	1929	The flora of the Nitrate Coast
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. Murray Johnston	1931	The flora of the Revillagigedo Islands
I. M. Johnston	1932	New records for the flora of the Nitrate Coast
A. C. Brade	1932	Os gêneros Cordia e Tournefortia
C. Gijsbert G. van Steenis	1934	Heliotropium elongatum Hofm. in Java
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	1937	Studies in the Boraginaceae XII. 2. Novelties and critical notes
J. Ruth Lawrence	1937	A correlation of the taxonomy and the floral anatomy of certain of the Boraginaceae
P. C. Standley	1938	Boraginaceae in Flora of Costa Rica
A. Pitot	1938	Le développement de l'ovaire d'Heliotropium europæum L.
I. M. Johnston	1939	Studies in the Boraginaceae, XIII. New or otherwise noteworthy species, chiefly from western United States
J. Ewan	1942	A review of the North American weedy Heliotropes
C. L. Lundell	1942	Undescribed plants from Mexico and Central America
I. M. Johnston	1949	Studies in the Boraginaceae XVIII. Boraginaceae of the southern West Indies
A. E. Ragonese	1950	Una nueva especie de Heliotropium de la flora argentina
I. M. Johnston	1951	Studies in the Boraginaceae XX. Representatives of three subfamilies in eastern Asia
R. Sharma	1954	Floral anatomy of Heliotropium indicum L.
N. Gangui	1955	Las especies silvestres de Heliotropium de la República Argentina
I. M. Johnston	1957	Boraginaceae. in: Steyermark. J. A. and collaborators: Contributions to the flora of Venezuela
I. M. Johnston	1959	Some noteworthy American Borages

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