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Algae on the ocean floor with natural sunlight, underwater seascape in the Atlantic ocean, Spain, Galicia
Seaweed marine algae at the beach in close up
Beautiful green fresh seaweed algae on the stone isolated on a beach. Stone with seaweed on a beach
 Green algae covered granite boulder in a riverbed. Swamp algae. Background and texture.
 Green algae covered granite boulder in a riverbed. Background and texture. Swamp algae.

Free stock photosalgae (3)

Pointillism in nature: Green algae covering surface of creek, for texture or background, or concept of overpopulationImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/pointillism-nature-green-algae-covering-surface-110080109">Image used under license from Freestock.com</a>
Lichens growing on shady side of boulder in desert. Detail of Calico Hills in the Red Rock Canyon National Conservation Area near Las Vegas, NevadaImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/lichens-growing-shady-side-boulder-desert-30751300">Image used under license from Freestock.com</a>