“A Study of the Phytotoxic Effects of the Aerial Parts of Senecio Westermanii Dusén (Asteraceae) on Lactuca Sativa L. and Allium Cepa L. Seeds”. Brazilian Journal of Pharmaceutical Sciences 54, no. 3 (November 29, 2018): e17135. Accessed July 22, 2024. https://journals.usp.br/bjps/article/view/153837.