Chú thích Ageratum

  1. Tropicos, search for Ageratum
  2. The Plant List (2010). “Ageratum”. Truy cập ngày 25 tháng 9 năm 2013. 
  3. “Ageratum”. Flora of North America. 
  4. Acamovic T., Stewart C. S., Pennycott T. W.,"Poisonous Plants and Related Toxins", 2004
  5. Noa M., Sanchez L. M., Durand R., "Ageratum houstonianum toxicosis in Zebu cattle", Veterinary and human toxicology, 2004, vol.46, no.4, pp.193-195.
  6. Sani Y., Bahri S., "Pathological changes in liver due to the toxicity of Ageratum conyzoides", Penyakit Hewan (Indonesia), 1994, v. 26(48) p. 64-70.
  7. Fu P. P., Yang Y. C., Xia Q., Chou M. C., Cui Y. Y., Lin G., Pyrrolizidine alkaloids-tumorigenic components in Chinese herbal medicines and dietary supplements. Journal of Food and Drug Analysis, Vol. 10, No. 4, 2002, pp. 198-211.