References from the California Lichen Catalog

BRODO, I. M., S. D. SHARNOFF, & S. SHARNOFF. 2001.

Lichens of North America. Yale University Press, New Haven.

HALE, M. E. 1979.

How to Know the lichens. Second Edition. W. C. Brown Co., Publ., Dubuque.

WRIGHT, D. 2001a (2000).

Guide to the macrolichens of California: part 2, the gray foliose species. Bulletin of the California Lichen Society 7: 44–63.