References from the California Lichen Catalog
- FINK, B. 1935.
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The lichen flora of the United States.
Ann Arbor.
- HASSE, H. E. 1895.
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Lichens of the vicinity of Los Angeles I.
Erythea 3: 41–44.
- HASSE, H. E. 1898a.
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Lichens of Southern California.
Los Angeles.
- McCLATCHIE, A. J. 1897.
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Seedless plants of southern California. Protophytes — Pteridophytes.
Proceedings of the Southern California Academy of Sciences 1: 363–370.
- ORCUTT, C. R. 1903.
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Southern California lichens.
The West American Scientist 14(3): 17–22; 14(4): 25–28.
- ORCUTT, C. R. 1907.
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Botany of southern California. Lichens.
American Plants, 1: 240–245, 367–372.
- RYAN, B. D., H. T. LUMBSCH, M. I. MESSUTI, C. PRINTZEN, L. SLIWA, & T. H. NASH III. 2004.
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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.
Complete references section