Also found in: Thesaurus, Medical, Encyclopedia, Wikipedia.
Related to green algae: Blue Green Algae
(Botany) the algae of the phylum Chlorophyta, which possess the green pigment chlorophyll. The group includes sea lettuce and spirogyra
grass-green algae of the phylum Chlorophyta, common on wet rocks, damp wood, and the surface of stagnant water.
Switch to new thesaurus
|Noun||1.||green algae - algae that are clear green in color; often growing on wet ricks or damp wood or the surface of stagnant water|
alga, algae - primitive chlorophyll-containing mainly aquatic eukaryotic organisms lacking true stems and roots and leaves
Chlorophyta, division Chlorophyta - large division of chiefly freshwater eukaryotic algae that possess chlorophyll a and b, store food as starch, and cellulose cell walls; classes Chlorophyceae, Ulvophyceae, and Charophyceae; obviously ancestral to land plants
pond scum - free-floating freshwater green algae
spirogyra - freshwater algae consisting of minute filaments containing spiral chlorophyll bands
stonewort - any of various submerged aquatic algae of the genus Chara having nodes with whorled filamentlike branches; usually encrusted with calcium carbonate deposits
desmid - freshwater green algae