Cyanobacterial mat at Grand Prismatic Springs, Midway Geyser Basin, Yellowstone National Park; the dark area is cyanobacteria with scytonemin (below 45 oC)
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Cyanobacterial mat at Grand Prismatic Springs, Midway Geyser Basin, Yellowstone National Park; the dark area is cyanobacteria with scytonemin (below 45 oC) |
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