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. 1913a.
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Additions to the lichen flora of southern California. No. 8.
The Bryologist 16: 1–2.
- TUCKER, S. C., & W. P. JORDAN. 1979 (1978).
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A catalog of California lichens.
Wasmann Journal of Biology 36: 1–105.
Complete references section