Figure 2 from: Rybak M, Kochman-Kędziora N, Peszek Ł (2021) Description of four new terrestrial diatom species from Luticola and Microcostatus genera from South Africa. PhytoKeys 182: 1-26. https://doi.org/10.3897/phytokeys.181.65326

Figure 2 Holotype population of Luticola asymmetrica M. Rybak, Kochman-Kędziora & Peszek, sp. nov. A–RLM images of valve views S–ZSEM images S–V external view of an entire valve W internal valve face view of an entire valve X–Y different shape of proximal raphe endings Z distal raphe endings. Scale bars: 10 µm (A–T), 5 µm (U–Z).