Plate 2
From: Diversity of phytoplankton species in Cheonjin Lake, northeastern South Korea
Fig. 1 Actinotaenium cucurbitinum. 2–4 Cosmarium geminatum. 5–7 C. exigum. 8–10 C. ocellatum var. glabrum. 11–13 C. ocellatum var. notatum. 14–15 C. hexagonum sp. nov.. 16–18 C. pseudoornatum. 19–20 C. cf. depressum var. planktonicum. 21–22 Spirotaenia kirchneri var. erythropunctata