Figs 22–31.

Structure of Klebsormidium cell wall on morphological level. Figs 22, 23, 25, 27, 28, 30, 31. H-like fragments of cell wall (white arrowheads). Figs 24, 26. Exfoliations of parental wall (black arrows). Fig. 29. Triangular spaces between daughter- and mother-cell walls (white arrows). Material illustrated is: Figs 22–24, Klebsormidium sp. (14621-6); Fig. 25, Klebsormidium cf. flaccidum (TR 42); Fig. 26, Klebsormidium cf. subtile (BRE); Fig. 27, Klebsormidium cf. flaccidum (SAG 12.91); Fig. 28, Klebsormidium cf. subtile (HOH2); Fig. 29, Klebsormidium crenulatum (SAG 37.86); Figs 30, 31, K. crenulatum (field-collected material). Scale bars 10 μm.