References from the California Lichen Catalog

EKMAN, S. 1996.

The corticolous and lignicolous species of Bacidia and Bacidina in North America. Opera Botanica 127: 1–148.

FINK, B. 1935.

The lichen flora of the United States. Ann Arbor.

HERRE, A. W. C. T. 1907.

Lichen distribution in the Santa Cruz peninsula, California. Botanical Gazette 43: 267–273.