References from the California Lichen Catalog

BRATT, C. C. 1999.

Additions to the lichen flora of San Clemente Island, California. Bulletin of the California Lichen Society 6: 19–21.

RYAN, B. D., H. T. LUMBSCH, M. I. MESSUTI, C. PRINTZEN, L. SLIWA, & T. H. NASH III. 2004.

Lecanora, pp. 176–286, 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.

WETMORE, C. M. 1985.

Lichens and air quality in Sequoia National Park. Final Report, (U. S.) National Park Service Contract CX 0001–2-0034.