GRAEFF, C.; KOCIOLEK, J. P.; BURLIGA, A. L. Valve morphology of four species of <em>Frustulia </em>(Bacillariophyta), including two described as new. Phytotaxa, [S. l.], v. 42, n. 1, p. 62–76, 2012. DOI: 10.11646/phytotaxa.42.1.8. Disponível em: https://phytotaxa.mapress.com/pt/article/view/phytotaxa.42.1.8. Acesso em: 19 feb. 2025.