Leonardosia langei Sommer (Charophyta, Porocharaceae) from Corumbataí Formation (Guadalupian), Piracicaba, SP, Brazil: First record of an antheridium and of corticated thalli. AMGH [Internet]. 2009 Jun. 4 [cited 2025 Sep. 30];46(1):49-58. Available from: https://ameghiniana.org.ar/index.php/ameghiniana/article/view/176