![]() [ var. intermedium ]: Smaller than var. libellula; 75-(123-174) μm long, 15-(20-32)-36 μm wide; 3-4 pyrenoids in each semicell. [var. interruptum]: Smaller than var. libellula, 90-(150-271)-400 μm long, 16-(25-31)-55 μm wide; chloroplast in each semicell separated into two pieces (Illustrations of The Japanese Fresh-water Algae, 1977).
|