FIGURE 6 in Review of the genus Phormidesmis (Cyanobacteria) based on environmental, morphological, and molecular data with description of a new genus Leptodesmis

FIGURE 6. Shape of colonies. A—Leptodesmis paradoxa (6 weeks old), B—Phormidesmis arctica (3 weeks old), C—Phormidesmis communis (6 weeks old), D—Phormidesmis nigrescens (3 week old), E—Phormidesmis nigrescens (9 weeks old), F—Phormidesmis priestleyi (6 weeks old). Arrow indicates the brownish color of colonies which can be commonly found in natural populations under high light.