References from the California Lichen Catalog

THOMSON, J. W. 1997.

American Arctic lichens. 2. Microlichens. University of Wisconsin Press, Madison. Pp. 1–675.

THOMSON, J. W. 2003.

Lichens of Wisconsin. University of Wisconsin, Madison. Pp. 1–386.

THOMSON, J. W., & E. H. KETCHLEDGE. 1958.

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).

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