Plate 3
From: Diversity of phytoplankton species in Cheonjin Lake, northeastern South Korea
Figs. 1–3 Cosmarium medioscrobiculatum var. egranulatum. 4–6 C. abbreviatum var. germanicum. 7–9 C. contractum var. incrassatum. 10–12 C. contractum var. minutum. 13, 14 C. inornatum. 15–17 C. reniforme var. elevatum. 18, 19 C. stigmosum