References from the California Lichen Catalog

BOLANDER, H. N. 1870.

A catalogue of the plants growing in the vicinity of San Francisco. San Francisco.

HASSE, H. E. 1898a.

Lichens of Southern California. Los Angeles.

TUCKERMAN, E. 1866.

Lichens of California, Oregon, and the Rocky Mountains, so far as yet known. J. S. and C. Adams, Amherst. 35 pp.