References from the California Lichen Catalog
- BALTZO, D. E. 1970.
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A study of the lichens of Mount Diablo State Park.
M. A. thesis, San Francisco State College, San Francisco.
- HASSE, H. E. 1898a.
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Lichens of Southern California.
Los Angeles.
- HASSE, H. E. 1903a.
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Contributions to the lichen flora of the California coast islands.
Bulletin of the Southern California Academy of Sciences 2: 23–26.
- HASSE, H. E. 1913b.
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The lichen flora of southern California.
Contributions from the United States National Herbarium 17: 1–132.
- HERRE, A. W. C. T. 1942c.
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Additions to and comments upon the lichen flora of the Santa Cruz Peninsula, California.
American Midland Naturalist 28: 752–755.
- MERRILL, G. K. 1923.
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Lichens. Pp. 358–377,
in C. F. Millspaugh and L. W. Nuttall (eds.), Flora of Santa Catalina Island, California.
Publications of the Field Museum of Natural History, Botanical Series, vol. 5.
- THOMSON, J. W., & E. H. KETCHLEDGE. 1958.
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The 1957 foray of the American Bryological Society on the Santa Cruz peninsula, California.
The Bryologist 61: 155–161.
- TUCKER, S. C., & W. P. JORDAN. 1979 (1978).
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A catalog of California lichens.
Wasmann Journal of Biology 36: 1–105.
- VOLK, S. L. 1963.
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Crustose lichen flora of Marin County, California.
M. A. thesis, San Francisco State College, San Francisco.
Complete references section