Extended Data Fig. 1: Images of hot springs used as source material for cultivation.
From: Methyl-reducing methanogenesis by a thermophilic culture of Korarchaeia

A. Washburn Hot Springs. B. Hot spring LCB003. C. Hot spring LCB058. All three hot springs are located in Yellowstone National Park (WY, USA). All work in Yellowstone National Park was performed under research permit YELL-SCI-8010 to R.H.