An arrangement of Nitzschia kurzii from California, USA. Prepared by Flatters and Garnett Ltd. Olympus BHB microscope using 450nm LED light. As well as the arrangement I imaged one using the 63x Leitz Pl Apo NA 1.4 objective, oil immersion. Olympus Aplanat Achromat condenser, oil immersion, oblique lighting. 2.5x Nikon CF PL photoeyepiece. Monochrome converted Nikon d850 camera. 22 images stacked in Zerene (Pmax). An underside view with the rim upwards towards the coverslip.
Nitzschia kurzii Rabenhorst 1880. Published in: Grunow, A. (1880). Bemerkungen zu den Diatomeen von Finnmark, dem Karischen Meere und vom Jenissey nebst Vorarbeiten für Monographie der Gattungen Nitzschia, Achnanthes, Pleurosigma, Amphiprora, Plagiotropis, Hyalodiscus, Podosira und einiger Navicula-Gruppen. Kongliga Svenska Vetenskaps-Akademiens Handligar, Series 4 17(2): 16-121, VII pls. Page 92. Also see Cleve, P. T.; Möller, J. D. (1878). Diatoms. Part II, No. 49-108. Esatas Edquists Boktryckeri, Upsala. No. 78. Homotypic synonyms; Nitzschia obtusa var. kurzii (Rabenhorst) Grunow 1880, Homoeocladia kurzii (Ranbenhorst) Kuntze 1898.
Also see Hamsher, S.E., Kociolek, J.P., Spaulding, S.A. and Saleh, A. (2021) Taxonomy and nomenclature of some members within the Obtusae section of Nitzschia Hassall (Bacillariophyceae) including descriptions of two new species. Fottea, Olomouc 21(2): 247–258. DOI: 10.5507/fot.2021.010