G. Oliván, E. Fuertes, and M. Acón, “Straminergon and Calliergon (Calliergonaceae, Bryopsida) in the Iberian Peninsula”, Lazaroa, vol. 26, pp. 17–33, Jan. 2006, Accessed: Nov. 24, 2024. Available: https://revistas.ucm.es/index.php/LAZA/article/view/LAZA0505110017A