GÓMEZ P., L. D. A First Report of Fossil Fern-like Pteropsida from Costa Rica.
Revista de Biología Tropical
,
[S. l.]
, v. 16, n. 2, p. 255–258, 1968. Disponível em: https://revistas.ucr.ac.cr/index.php/rbt/article/view/28154. Acesso em: 5 apr. 2025.