References from the California Lichen Catalog

RYAN, B. D., & T. H. NASH III. 1991.

Lichens of the Eastern Brook Lakes watershed, Sierra Nevada Mountains, California. The Bryologist 94: 181–195.

THOMSON, J. W. 1984.

American Arctic lichens. 1. The macrolichens. Columbia University Press, New York. Pp. 1–504.