References from the California Lichen Catalog

HERRE, A. W. C. T. 1910.

The lichen flora of the Santa Cruz peninsula, California. Proceedings of the Washington Academy of Sciences 12(2): 27–269.

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.