References from the California Lichen Catalog

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

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

HOWE, R. H. 1914–1915.

A monograph of the Usneaceae of the United States and Canada. Parts 1, 2. Memoir of the Museum of the Thoreau Museum of Natural History, Middlesex School, Concord.