Jorge, Luzia Ilza Ferreira, Vicente de Oliveira Ferro, and Iraci de Oliveira. “The Serralhas of Brasil: Emitia Sonchifolia L., Sonchus Asper (L.) Hill E Taraxacum OjJicinale Weber - Compared Microscopic Examination”. Instituto Adolfo Lutz Journal - RIAL 54, no. 2 (December 30, 1994): 110–4. Accessed July 6, 2025. https://periodicos.saude.sp.gov.br/RIAL/article/view/35701.