Sample of thermophilic cyanobacteria collected from a hot spring in Yellowstone’s Lower Geyser Basin
By Yellowstone Volcano Observatory
August 2025 (approx.)
Detailed Description
A researcher holds a vibrant green sample of thermophilic cyanobacteria collected from a hot spring in Yellowstone’s Lower Geyser Basin. National Park Service photo by Samantha Hilburn, August 2025.
Sources/Usage
Public Domain.