References from the California Lichen Catalog
- McCUNE, B. 2002.
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Hypogymnia, pp. 228–238,
in T. H. Nash III, B. D. Ryan, C. Gries, & F. Bungartz (eds.), Lichen flora of the Greater Sonoran Desert region, Vol. 1.
Lichens Unlimited, Arizona State University, Tempe.
Complete references section