References from the California Lichen Catalog

FINK, B. 1935.

The lichen flora of the United States. Ann Arbor.

HASSE, H. E. 1913b.

The lichen flora of southern California. Contributions from the United States National Herbarium 17: 1–132.

HERRE, A. W. C. T. 1944b.

Lichens new to central California. The Bryologist 47: 86–90.