Montaner, C.; Floris, E.; Alvarez, J. M. (February 2001). "Geitonogamy: a mechanism responsible for high selfing rates in borage (Borago officinalis L.)". Theoretical and Applied Genetics. 102 (2–3): 375–378. doi:10.1007/s001220051656. S2CID26250534.
Dodson, Craig D.; Stermitz, Frank R. (1986). "Pyrrolizidine alkaloids from borage (Borago officinalis) seeds and flowers". Journal of Natural Products. 49 (4): 727–728. doi:10.1021/np50046a045.
Wretensjoe, Inger; Karlberg, Bo. (2003). "Pyrrolizidine alkaloid content in crude and processed borage oil from different processing stages". Journal of the American Oil Chemists' Society. 80 (10): 963–970. doi:10.1007/s11746-003-0804-z. S2CID94575246.
Montaner, C.; Floris, E.; Alvarez, J. M. (February 2001). "Geitonogamy: a mechanism responsible for high selfing rates in borage (Borago officinalis L.)". Theoretical and Applied Genetics. 102 (2–3): 375–378. doi:10.1007/s001220051656. S2CID26250534.
Wretensjoe, Inger; Karlberg, Bo. (2003). "Pyrrolizidine alkaloid content in crude and processed borage oil from different processing stages". Journal of the American Oil Chemists' Society. 80 (10): 963–970. doi:10.1007/s11746-003-0804-z. S2CID94575246.
theepicentre.com
"Borage". Encyclopedia of spices. The Epicentre. 2009. Archived from the original on 2013-02-03. Retrieved 2010-12-01.