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Pediastrum | Ohio Sea Grant

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Pediastrum

Pediastrum is a common green alga genus that somewhat resembles a snowflake or circular saw blade.

Genus: Pediastrum

Green algae

Pediastrum is a common green alga genus that somewhat resembles a snowflake or circular saw blade. Individual cells can be triangle or tooth-shaped, and the pointy end is toward the outer edge of the colony. Each species has a unique cell shape and a particular number of cells in a colony, but all species form the same general pattern.