]> FH barcode-00259334 United States of America Arizona Cave Creek, Chiricahua Mountains, near Southwestern Research Sta. alt.: 6000 ft. 6 miles W of Portal limestone outcrops and floodplain Acarospora socialis H. Magnusson H. Magnusson 2010-08-16 16:37:30 W. A. Weber & S. Shushan