References from the California Lichen Catalog

FINK, B. 1935.

The lichen flora of the United States. Ann Arbor.

HERRE, A. W. C. T. 1911b.

The Gyrophoraceae of California. Contributions from the United States National Herbarium 13: 313–321; plates 68–73.

HERRE, A. W. C. T. 1945.

Lichen distribution in California. The Bryologist 48: 1–7.

HERRE, A. W. C. T. 1950a.

The lichen flora of Mount Shasta, California. The Bryologist 53: 43–54.