1. (noun) algae that are clear green in color; often growing on wet ricks or damp wood or the surface of stagnant water

• green algae

1. (noun) algae that are clear green in color; often growing on wet ricks or damp wood or the surface of stagnant water

• alga
• algae

1. (noun) algae that are clear green in color; often growing on wet ricks or damp wood or the surface of stagnant water

• chlorophyta
• division chlorophyta

1. (noun) algae that are clear green in color; often growing on wet ricks or damp wood or the surface of stagnant water

• desmid
• laver
• sea lettuce
• pond scum
• spirogyra
• stonewort