“Leonardosia langei Sommer (Charophyta, Porocharaceae) from Corumbataí Formation (Guadalupian), Piracicaba, SP, Brazil: First record of an antheridium and of corticated thalli” (2009) Ameghiniana, 46(1), pp. 49–58. Available at: https://ameghiniana.org.ar/index.php/ameghiniana/article/view/176 (Accessed: 27 September 2025).