]> FH barcode-00259167 United States of America California San Bernardino, Central Mojave Desert: canyon along jeep trail ca. 4 km airline north of summit of Opla Mountain, ca. 1 km SE of Inscription Canyon (Opal Mtn. 7.5') Acarospora socialis H. Magnusson H. Magnusson 2010-08-16 16:37:23 A. C. Sanders et al.