You searched for: Institution University of Michigan. Libraries Remove constraint Institution: University of Michigan. Libraries Place Mexico Remove constraint Place: Mexico Place Vicinity of Cerro Zempoaltepetl, Near Piksa'ah (Piedra Redonda) about eight kilometers east of summit, steam banks Remove constraint Place: Vicinity of Cerro Zempoaltepetl, Near Piksa'ah (Piedra Redonda) about eight kilometers east of summit, steam banks Topic Fungi Remove constraint Topic: Fungi Topic Lichens Remove constraint Topic: Lichens Topic Parmotrema Remove constraint Topic: Parmotrema Type still image Remove constraint Type: still image