Family: Colonies of a fixed number of cells or reticulated bag in shape; chloroplasts plate-like or reticulated, with one or many pyrenoids; asexual reproduction by zoospores, sexual reproduction by fertilization (Illustrations of The Japanese Fresh-water Algae, 1977).
Genus: Colonies large, reticulated bag in shape (Illustrations of The Japanese Fresh-water Algae, 1977).
H. reticulatum
10 clips
μm
Fujimi
Saitama, 1999
H. reticulatum
3 clips
μm
Fujimi
Saitama, 1999
H. reticulatum
3 clips
μm
Fujimi
Saitama, 1999
H. reticulatum
4 clips
μm
Torinome Kasen p.
Nasu-shiobara
Tochigi, 1999?