How many cells wide are the branches?
Long hair cells are present; cell division scars can be seen on the walls of some cells.
Branches anastomose to form a net.
Branches formed at angled bends in the middle of a cell.
Filaments composed of regular cells occasionally interrupted by specialised cells (heterocytes) with thickened walls, that are often larg...
Cross walls are absent; filament is a large siphon containing numerous small discoidal yellow-green chloroplasts; branches may be rare.
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