WETZEL, C. E.; ECTOR, L. <em>Planothidium lagerheimii comb. nov.</em> (Bacillariophyta, Achnanthales) a forgotten diatom from South America. Phytotaxa, [S. l.], v. 188, n. 5, p. 261–267, 2014. DOI: 10.11646/phytotaxa.188.5.3. Disponível em: https://phytotaxa.mapress.com/pt/article/view/phytotaxa.188.5.3. Acesso em: 23 mar. 2025.