Cladophora

About

Cladophora is a genus of branching filamentous green algae in the class Ulvophyceae. They may be referred to as reticulated algae, branching algae, or blanket weed. The genus has a worldwide distribution, mainly found in marine or brackish waters; a few species are found in freshwater. It is harvested for use as a food and medicine.

Summary from Wikipedia