Leonardosia langei Sommer (Charophyta, Porocharaceae) from Corumbataí Formation (Guadalupian), Piracicaba, SP, Brazil: First record of an antheridium and of corticated thalli. Ameghiniana, [S. l.], v. 46, n. 1, p. 49–58, 2009. Disponível em: https://ameghiniana.org.ar/index.php/ameghiniana/article/view/176. Acesso em: 28 sep. 2025.