Constancea 84, 2006
University and Jepson Herbaria
California Lichen Catalog

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.
WEST, R., & J. DOELL. 1995.
Marin County field trip. Bulletin of the California Lichen Society 2(1): 10–11.
Complete references section