[1]
WETZEL, C.E., DE VIJVER, B.V., HOFFMANN, L. and ECTOR, L. 2013. <em>Planothidium incuriatum sp. nov. </em>a widely distributed diatom species (Bacillariophyta) and type analysis of<em> Planothidium biporomum</em>. Phytotaxa. 138, 1 (Oct. 2013), 43–57. DOI:https://doi.org/10.11646/phytotaxa.138.1.6.