References from the California Lichen Catalog
- TØNSBERG, T. 2004.
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Chrysothrix, pp. 62–63; Lepraria, pp. 322–329; Normandina, pp. 380–381, Phlyctis, pp. 415–416,
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