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.

BOURELL, M. 2000.

Lichens collected at San Simeon State Park and Hearst Castle. Bulletin of the California Lichen Society 7: 20–22.

NORDIN, A. 1996.

Buellia species (Physciaceae) with pluriseptate spores in Norden. Symbolae Botanicae Upsalienses 31(3): 327–354.

SIGAL, L. L. 1989.

The lichens of serpentine rocks and soils in California. Mycotaxon 34: 221–238.

THOMSON, J. W. 2003.

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