References from the California Lichen Catalog
- FINK, B. 1935.
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The lichen flora of the United States.
Ann Arbor.
- SCHULTZ, M., B. D. RYAN, & T. H. NASH III. 2004.
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Collema, pp. 65–80,
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.
- TUCKER, S. C., & W. P. JORDAN. 1979 (1978).
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A catalog of California lichens.
Wasmann Journal of Biology 36: 1–105.
- WEBER, W. A., C. BRATT, & J. LARSON. 1987.
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Lichens and bryophytes of the Santa Rosa Plateau Nature Conservancy Reserve, Riverside County, California.
Evansia 4: 21–25.
Complete references section