FIGURE 6 in Two new green algae, Rhizoclonium fractum sp. nov. and R. umbraticum sp. nov., from tropical and subtropical brackish waters of Japan

FIGURE 6. Cultured material of Cladophoraceae sp. 1 (Rhizoclonium fractum). (A–D) Morphologies of growing filamentous thalli. (A, B) Some of the thalli have rhizoidal structures. (E, F) Chloroplasts with many starch granules. (G) Autofluorescence of chloroplasts. (H) Cells stained with DAPI, showing nuclei. (I) Cells stained with Lugol's iodine, showing the pyrenoids. Scale bar = 20 μm (A–C, E–G); Scale bars = 40 μm (D); Scale bars = 10 μm (H, I).