References from the California Lichen Catalog

BRODO, I. M., S. D. SHARNOFF, & S. SHARNOFF. 2001.

Lichens of North America. Yale University Press, New Haven.

GOWARD, T., B. McCUNE, & D. MEIDINGER. 1994.

The lichens of British Columbia. Illustrated keys. Part 1. Foliose and squamulose species. British Columbia Ministry of Forests, Crown Publications Inc., Victoria, B. C., Canada.

SIERK, H. A. 1964.

The genus Leptogium in North America north of Mexico. The Bryologist 67: 245–317.

TUCKER, S. C., & W. P. JORDAN. 1979 (1978).

A catalog of California lichens. Wasmann Journal of Biology 36: 1–105.

TUCKERMAN, E. 1877.

Observations on North American and other lichens. No. 4. Proceedings of the American Academy of Arts and Sciences 12: 166–185.

TUCKERMAN, E. 1882.

A synopsis of the North American Lichens. Pt. 1, Boston.