Achnanthidium neotropicum sp. nov., a new freshwater diatom from Lake Apastepeque in El Salvador (Central America) Author Krahn, Kim J. Technische Universität Braunschweig, Institute of Geosystems and Bioindication, Langer Kamp 19 c, 38106 Braunschweig, Germany Author Wetzel, Carlos E. Luxembourg Institute of Science and Technology (LIST), Environmental Research and Innovation Department (ERIN), 41 rue du Brill, 4422 Belvaux, Luxembourg Author Ector, Luc Luxembourg Institute of Science and Technology (LIST), Environmental Research and Innovation Department (ERIN), 41 rue du Brill, 4422 Belvaux, Luxembourg Author Schwalb, Antje Technische Universität Braunschweig, Institute of Geosystems and Bioindication, Langer Kamp 19 c, 38106 Braunschweig, Germany text Phytotaxa 2018 2018-12-10 382 1 89 101 http://dx.doi.org/10.11646/phytotaxa.382.1.4 journal article 10.11646/phytotaxa.382.1.4 1179-3163 13723846 Achnanthidium neotropicum K.J.Krahn et C.E.Wetzel sp. nov. ( Figs 2–70 (LM), 71–88 (SEM))