M. Schultz 2007: Psorotichia. - In: T. H. Nash, III, C. Gries and F. Bungartz: Lichen Flora of the Greater Sonoran Desert Region. Volume 3. . Lichens Unlimited, Arizona State University, Tempe pp. 279-284. [RLL List # 210 / Rec.# 30329] Keywords: SONORAN DESERT/ UNITED STATES/ MEXICO/ PSOROTICHIA/ KEY
Abstract: [7 species; key.]