High competitive ability of Centaurea melitensis L. (Asteraceae) does not increase in the invaded range.

Sotes, G. J., Cavieres, L. A., Gómez-González, S., (2020). Biological Invasions 23(3), 693-703. Springer, Amsterdam, Netherlands. English language

Allelopathic effect of the invasive Acacia dealbata Link (Fabaceae) on two native plant species in south-central Chile.

Aguilera, N., Becerra, J., Guedes, L. M., Villaseñor-Parada, C., González, L., Hernández, V., (2015). Gayana Botánica 72(2), 231-239. Ediciones Universidad de Concepción, Chillán, Chile. English language

Optimal eradication: when to stop looking for an invasive plant.

Regan, T. J., McCarthy, M. A., Baxter, P. W. J., Panetta, F. D., Possingham, H. P., (2006). Ecology Letters 9(7), 759-766. Blackwell Publishing, Oxford, UK. English language

Survey and study on naturalization of imported flowers in Shanghai area.

Yin LiPing, Shen GuoHui, Yi JianPing, Yan ZhenFen, (2003). Acta Agriculturae Shanghai 19(1), 67-70. Shanghai Academy of Agricultural Sciences, Shanghai, China. Chinese language

Eradication of the exotic weeds Helenium amarum (Rafin) H.L. and Eupatorium serotinum Michx. from south-eastern Queensland.

Tomley, A. J., Panetta, F. D., (2002). 13th Australian Weeds Conference: weeds "threats now and forever?", Sheraton Perth Hotel, Perth, Western Australia, 8-13 September 2002: papers and proceedings, 293-296. Plant Protection Society of Western Australia Inc, Victoria Park, Australia. English language

Ecological relationships between poisonous plants and rangeland condition: a review.

Ralphs, M. H., (2002). Journal of Range Management 55(3), 285-290. Society for Range Management, Lakewood, USA. English language

In vivo effect of mixtures of allelochemicals on the life cycle of the European corn borer, Ostrinia nubilalis.

Bernard, C. B., Arnason, J. T., Philogène, B. J. R., Lam, J., Waddell, T., (1990). Entomologia Experimentalis et Applicata 57(1), 17-22. English language

Toxicidad de Helenium quadridentatum en terneros y ratones albino macho. Primer reporte en Cuba. / Toxicity of Helenium quadridentatum in calves and male white mice. First report from Cuba.

Alfonso, H. A., Figueredo, M. de los A., Rodríguez, J., Fuentes, O., Gómez, B. C., Aguilera, J. M., Pérez, M., Pérez, N., Sánchez, L. M., (1986). Revista de Salud Animal 8(3), 295-296. Spanish language

Structure and fungicidal activity of four pseudoguaianolides isolated from Helenium quadridentatum Labill.

Watanabe, K., Oguri, Y., Miyakado, M., Ohno, N., Mabry, T. J., (1985). Journal of Agricultural and Food Chemistry 33(1), 83-86. English language

A survey of asymbiotic nitrogen fixation in the rhizosphere of weeds.

Conklin, A. R., Biswas, P. K., (1978). Weed Science 26(2), 148-150. English language