References from the California Lichen Catalog

BOLANDER, H. N. 1870.

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

TUCKERMAN, E. 1866.

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

TUCKERMAN, E. 1872.

Genera Lichenum. An arrangement of the North American lichens. Edwin Nelson, Amherst. 281 pp. + index.

WILLEY, H. 1873a.

A list of North American lichens arranged according to Professor E. Tuckerman's “Genera Lichenum”. New Bedford.