References from the California Lichen Catalog

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. 1942a.

Lichens from Mount Shasta, California. The Bryologist 45: 43–45.

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.

LLANO, G. A. 1950.

A monograph of the lichen family Umbilicariaceae in the western hemisphere. Office of Naval Research, Navexos P-831: 1–281.