FIGURES 12–21 in Distribution and frequent occurrence of diatom taxa (Bacillariophyta) inhabiting warmer oceans in Seogwipo coast of Jeju Island, southernmost Korea

FIGURES 12–21. Diatom taxa of Seogwipo coast in Jeju Island (2). Figs 12, 18, 19. Pseudictyota reticulata. Figs 13–15. Biddulphia gruendleri. Figs 16, 17. Isthmia minima. Figs 20, 21. Biddulphia tridens. Scale bars = 10 μm.Published as part of Joh, Gyeongje, 2021, Distribution and frequent occurrence of diatom taxa (Bacillariophyta) inhabiting warmer oceans in Seogwipo coast of Jeju Island, southernmost Korea, pp. 1-67 in Phytotaxa 517 (1) on page 10, DOI: 10.11646/phytotaxa.517.1.1, http://zenodo.org/record/806105