1. Appel de Matos, M., 1977. Contribution to the phytochemical study of Eupatorium inulaefolium HBK- Compositae. Flavonoids I. Rev. Cent. Cienc. Biomed. Univ. Fed. Santa Maria 5, 85–107; Chemical Abstracts 1979, 90, 100124v.
2. Aqil, M., 1995. Flavonoidic glycosides from Eupatorium africanum. Ultra. Sci. Phys. Sci. 7, 1; Chemical Abstracts 1995, 123, 251218e.
3. Pyrrolizidine alkaloids in Chromolaena odorata;Biller;Chemical and chemoecological aspects. Phytochemistry,1994
4. Further heliangolides and guaianolides from Eupatorium altissimum;Boeker;Phytochemistry,1986
5. A germacranolide and longipinene derivative from Eupatoriadelphus purpureus;Bohlmann;Phytochemistry,1981