References from the California Lichen Catalog
- BOWLER, P. A., & J. E. MARSH. 2004.
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Niebla, pp. 368–380,
in T. H. Nash III, B. D. Ryan, P. Diederich, C. Gries, & F. Bungartz (eds.), Lichen flora of the Greater Sonoran Desert region, Vol. 2.
Lichens Unlimited, Arizona State University, Tempe.
Complete references section