Williams, David M. “What Is Iconella (Bacillariophyta)? The Poverty of Molecular Monophyly (Part II)”. Phytotaxa 661, no. 2 (July 30, 2024): 189–196. Accessed February 4, 2026. https://phytotaxa.mapress.com/pt/article/view/phytotaxa.661.2.6.