Figure 4 from: Yılmaz E, Mann DG, Gastineau R, Trobajo R, Solak CN, Górecka E, Turmel M, Lemieux C, Ertorun N, Witkowski A (2024) Description of Navicula vanseea sp. nov. (Naviculales, Naviculaceae), a new species of diatom from the highly alkaline Lake Van (Republic of Türkiye) with complete characterisation of its organellar genomes and multigene phylogeny. PhytoKeys 241: 27-48. https://doi.org/10.3897/phytokeys.241.118903

Figure 4 SEM micrographs of Navicula vanseea sp. nov. SZCZEY2262 A external view of the entire valve B details of central area showing simple proximal raphe endings and shortened striae C details of apex showing the terminal fissure D, E internal view of two entire valves, showing the central area and filiform proximal raphe endings F details of apex showing well-developed helictoglossae G, H girdle view of valves showing continuous areolation on mantle and two isolated lineolae (white arrows). Scale bars: 5 μm (A, D, E, G, H); 3 μm (B, C, F).