Figure 3

Shapes and sizes of colonies of present-day Microcystis.

(A, B): large tree-like; (C, D): medium irregular; (E): medium treelike; (F): medium circular; (G), medium embryo-like; (H): small subspherical, medium 8-shaped; (I): medium trilobate, embryo-like; (J): large irregular. Bars 0.1 mm in (A–I) and 1 mm in (J). (A) and (B) are cited from Fig. 7.2 of reference²⁹; (C, D, E, F, H) cited from reference²⁶; (I) cited from reference²⁷; (G) from reference²⁵; (J): taken in this study.