WEBER, Reinhard. How old is the Triassic flora of Sonora and Tamaulipas and news on Leonardian floras in Puebla and Hidalgo, Mexico. Revista Mexicana de Ciencias Geológicas, [S. l.], v. 14, n. 2, p. 225–243, 2019. Disponível em: https://rmcg.geociencias.unam.mx/index.php/rmcg/article/view/1148. Acesso em: 19 apr. 2025.