References from the California Lichen Catalog

ESSLINGER, T. L. 2004b.

A cumulative checklist for the lichen-forming, lichenicolous, and allied fungi of the continental United States and Canada. North Dakota State University, http://www.ndsu.nodak.edu/instruct/esslinge/chcklst/chcklst7.htm (first posted 1 December 1997, most recent update Version #9, Mar. 2, 2004), Fargo.