References from the California Lichen Catalog

EGEA, J. M., P. TORRENTE, & B. D. RYAN. 2004.

Bactrospora, pp. 32–37; Cresponea, pp. 81–82; Lecanographa, pp. 171–176, in T. H. Nash III, B. D. Ryan, P. Diederich, C. Gries, & F. Bungartz (eds.), Lichen flora of the Greater Sonoran Desert region, Vol. 2. Lichens Unlimited, Arizona State University, Tempe.

FINK, B. 1935.

The lichen flora of the United States. Ann Arbor.

LINDSAY, J. B. 1973.

A lichen flora of the Samoa peninsula, Humboldt Bay, California. M. A. thesis. Humboldt State University, Arcata.