Order & Family:
Filamentous algae; cell division occurs near septum and adds "apical cap"
(folded structure near the septum) ; cell body cylindrical, laterally straight or wavy or
swell at one end of the cell body ("capitellate") in some species;
chloroplasts reticulated with many pyrenoids;
asexual reproduction by zoospore; sexual reproduction by fertilization by egg and sperm;
monoecious or dioecious.
Genus: linear filament without branching (Illustrations of The Japanese Fresh-water Algae, 1977). Species: |
50 μm
100 μm
150 μm; x 400 :
31 μm
63 μm
94 μm; x 640
Images of collecting locality:
Damp area near Ichinokawa primary school, Ichono-kawa (river), Higashi-Matsuyama city, Saitama Pref., Japan, March 25, 2006 by Y. Tsukii
