What Is the Phylum of Blue-Green Algae?

Blue-green algae is in the cyanobacteria phylum in the bacteria kingdom. It is often incorrectly categorized as a plant.

Keywords: cyanobacteia, cyanobacteria phylum, bacteria kingdom, categorized as a plant, kingdom

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Megan Smith has been a freelance writer and editor since 2006. She writes about health, fitness, travel, beauty and grooming topics for various print and Internet publications. Smith earned a Bachelor of Fine Arts in writing from New York University.