green algae

plural noun

any grass-green, chiefly freshwater algae of the phylum Chlorophyta, often growing on wet rocks, damp wood, or on the surface of stagnant water.

Origin of green algae

First recorded in 1900–05

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British Dictionary definitions for green algae

green algae

pl n

the algae of the phylum Chlorophyta, which possess the green pigment chlorophyll. The group includes sea lettuce and spirogyra

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