Carpanezzi, Fernando Bertol, and Sonia Cristina Juliano Gualtieri. 2014. “Allelopathy of Aqueous Leaf Extracts from the Invasive Alien Tree Pittosporum Undulatum on Germination and Growth of Barnyard Grass”. Pesquisa Florestal Brasileira 34 (79): 173-79. https://doi.org/10.4336/2014.pfb.34.79.599.