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Thornburg, R. W.; Carter, C.; Powell, A.; Mittler, R.; Rizhsky, L.; Horner, H. T. (May 2003). "A major function of the tobacco floral nectary is defense against microbial attack". Plant Systematics and Evolution. 238 (1–4): 211–218. Bibcode:2003PSyEv.238..211T. doi:10.1007/s00606-003-0282-9. S2CID19339791.
Sajo, M. G.; Rudall, P. J.; Prychid, C. J. (August 2004). "Floral anatomy of Bromeliaceae, with particular reference to the evolution of epigyny and septal nectaries in commelinid monocots". Plant Systematics and Evolution. 247 (3–4): 215. Bibcode:2004PSyEv.247..215S. doi:10.1007/s00606-002-0143-0. S2CID20457047.
Thornburg, R. W.; Carter, C.; Powell, A.; Mittler, R.; Rizhsky, L.; Horner, H. T. (May 2003). "A major function of the tobacco floral nectary is defense against microbial attack". Plant Systematics and Evolution. 238 (1–4): 211–218. Bibcode:2003PSyEv.238..211T. doi:10.1007/s00606-003-0282-9. S2CID19339791.
Sajo, M. G.; Rudall, P. J.; Prychid, C. J. (August 2004). "Floral anatomy of Bromeliaceae, with particular reference to the evolution of epigyny and septal nectaries in commelinid monocots". Plant Systematics and Evolution. 247 (3–4): 215. Bibcode:2004PSyEv.247..215S. doi:10.1007/s00606-002-0143-0. S2CID20457047.
Thornburg 2001. Thornburg, Robert (4 June 2001). "Nectar". Nectary Gene Expression Index. Department of Biochemistry, Biophysics and Molecular Biology,Iowa State University. Archived from the original on 10 September 2003. Retrieved 11 January 2020.
Thornburg, R. W.; Carter, C.; Powell, A.; Mittler, R.; Rizhsky, L.; Horner, H. T. (May 2003). "A major function of the tobacco floral nectary is defense against microbial attack". Plant Systematics and Evolution. 238 (1–4): 211–218. Bibcode:2003PSyEv.238..211T. doi:10.1007/s00606-003-0282-9. S2CID19339791.
Sajo, M. G.; Rudall, P. J.; Prychid, C. J. (August 2004). "Floral anatomy of Bromeliaceae, with particular reference to the evolution of epigyny and septal nectaries in commelinid monocots". Plant Systematics and Evolution. 247 (3–4): 215. Bibcode:2004PSyEv.247..215S. doi:10.1007/s00606-002-0143-0. S2CID20457047.
Thornburg 2001. Thornburg, Robert (4 June 2001). "Nectar". Nectary Gene Expression Index. Department of Biochemistry, Biophysics and Molecular Biology,Iowa State University. Archived from the original on 10 September 2003. Retrieved 11 January 2020.