References from the California Lichen Catalog

BALTZO, D. E. 2002 (2001).

San Francisco Watershed lichens — a more comprehensive list. Bulletin of the California Lichen Society 8: 44–56.

GOWARD, T. 1999.

The Lichens of British Columbia. Part 2. Fruticose species. Special Report ser. 9. British Columbia Ministry of Forests, Crown Publications Inc., Victoria, B. C., Canada.

HERRE, A. W. C. T. 1950a.

The lichen flora of Mount Shasta, California. The Bryologist 53: 43–54.

JORDAN, W. P. 1968.

Corticolous and lignicolous lichens of the San Francisco Watershed. M. A. thesis, San Francisco State College, San Francisco.

LINDSAY, J. B. 1973.

A lichen flora of the Samoa peninsula, Humboldt Bay, California. M. A. thesis. Humboldt State University, Arcata.

TIBELL, L. 1980.

The lichen genus Chaenotheca in the northern hemisphere. Symbolae Botanicae Upsalienses 23: 1–65.

TUCKER, S. C., & W. P. JORDAN. 1979 (1978).

A catalog of California lichens. Wasmann Journal of Biology 36: 1–105.