Filamentous Algae

 ▲▼ fiber-like filamentous algae

 ▲▼ fiber-like filamentous algae

▲▼ "pond scum" filamentous algae

▲▼ "pond scum" filamentous algae

Filamentous Algae, Moss, Pond Scum:  

·         green to brown cottony masses that float on water surfaces or attach to rock, wood & debris in the water

·         made up of masses of fine green to brown filaments with no roots