Figs 32–42.

Confocal laser scanning and fluorescence micrographs of Interfilum and Klebsormidium. Figs 32–35. Autofluorescence of chloroplasts of different strains (confocal micrographs). Figs 36–42. Vital staining of mitochondria, arrows indicate position of nucleus (Figs 36–38, 40–42: fluorescence micrographs; Fig. 39: confocal micrograph). Material illustrated is: Figs 32, 42, Interfilum terricola (SAG 2100); Fig. 33, Klebsormidium sp. (14621.6); Fig. 34, Klebsormidium subtile (CCAP 335.17); Figs 35, 40, 41, Klebsormidium sp. (SAG 2107); Figs 36–38, Klebsormidium fluitans (CCAP 335.12); Fig. 39, Klebsormidium cf. flaccidum (TR 42). Scale bars 10 μm.