Cladophorales An order of Chlorophyta (green algae), generally called siphonaceous algae. They are multicellular saclike刚毛藻目：绿藻门中的一目，称为虹吸管状的藻类。它们是多细胞囊泡状的或分枝的丝状体，用分枝状的假根固着。例如刚毛藻属。