Algae are a type of Protist.

Algae may also refer to:

• Algae fuel, a biofuel
• Algae eaters, species that feed on algae
• Snow algae, cold-tolerant species of algae
• Ice algae, algae that live in sea ice
• AlgaeBase, a database of algae
• Algae Lake, lake in Antarctica

• Algos
• National Algae Association, a US trade organization for renewable energy

This disambiguation page lists articles associated with the title Algae.
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