A new Planothidium species (Achnanthidiaceae, Bacillariophyceae) from Xingu Ria, Amazon River basin, Brazil
K.S. Morais, L.F. Costa, C.E.M. Bicudo, L. Ector, and C.E. Wetzel
Phytotaxa, vol. 477, no. 2, pp. 194-204, 2020
doi:10.11646/phytotaxa.477.2.4