Peltula euploca is a cosmopolitan lichen distinguished by its peltate habit and Chroococcidiopsis photobiont, an extremophile cyanobacteria that is known for its desiccation tolerance. Seen here growing on Pompadour Bluff near Ashland, Oregon.

Rusavskia elegans, at the entrance to a crevice in a cliff face. #Yellowknife, Northwest Territories, Canada. #fungi #fungifriends

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