References from the California Lichen Catalog
- BALTZO, D. E. 2002 (2001).
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San Francisco Watershed lichens — a more comprehensive list.
Bulletin of the California Lichen Society 8: 44–56.
- BLAUMAN, S. 2004.
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CALS field trip to Sherwood Road, Mendocino County, April 17, 2004.
Bulletin of the California Lichen Society 11(1): 24–26.
- BOURELL, M. 2000.
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Lichens collected at San Simeon State Park and Hearst Castle.
Bulletin of the California Lichen Society 7: 20–22.
- BRODO, I. M., S. D. SHARNOFF, & S. SHARNOFF. 2001.
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Lichens of North America.
Yale University Press, New Haven.
- HILL, B. 1997.
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CALS Wantrup Preserve field trip.
Bulletin of the California Lichen Society 4: 15–16.
- ROBERTSON, J. 2001.
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Daley Ranch field trip, April 28–29, 2001.
Bulletin of the California Lichen Society 8: 34–36.
- ROBERTSON, J. 2002a.
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Pygmy Forest field trip, Mendocino County, March 16, 2002, and list of macrolichens of the Pygmy Forest.
Bulletin of the California Lichen Society 9(1): 8–12.
- RYAN, B. D., & T. H. NASH III. 1991.
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Lichens of the Eastern Brook Lakes watershed, Sierra Nevada Mountains, California.
The Bryologist 94: 181–195.
- 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.
- TUCKER, S. C., & C. BRATT. 1996.
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Lichens collected at the Hastings Natural History Reservation, Monterey County, California during the CALS foray of January 20–21, 1996.
Bulletin of the California Lichen Society 3(1): 8–9.
- VON REIS, J. B. C. 1991.
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Lichens of California Polytechnic University and San Luis Obispo County.
M. A. thesis, California Polytechnic State University, San Luis Obispo.
- 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.
- WETMORE, C. M. 1985.
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Lichens and air quality in Sequoia National Park.
Final Report, (U. S.) National Park Service Contract CX 0001–2-0034.
Complete references section