Index → Buttons → Pertusaria → P. coriacea= Pertusaria coriacea (Th. Fr.) Th. Fr. var. obducens (Nyl.) Vainio
 Location: Northwest Territories, near MacKay Lake
Date: 2011-08-06
Photo by: Curtis Björk
Notes: On ground in brushy tundra
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 Location: Northwest Territories, near MacKay Lake
Date: 2011-08-07
Photo by: Curtis Björk
Notes: On cliff ledge in brushy tundra
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