References from the California Lichen Catalog

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

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

DEGELIUS, G. 1954.

The lichen genus Collema in Europe: morphology, taxonomy, ecology. Symbolae Botanicae Upsalienses 13(2): 1–499.

DEGELIUS, G. 1974.

The lichen genus Collema with special reference to extra-European species. Symbolae Botanicae Upsalienses 20(2): 1–215.

DOELL, J., S. TUCKER, & J. ROBERTSON. 1999.

Lichens of the Sweeney Granite Mountains Desert Research Center and environs. Bulletin of the California Lichen Society 6: 8–12.

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.

HASSE, H. E. 1903c.

Additions to the lichen flora of southern California. Bulletin of the Southern California Academy of Sciences 2: 52–54.

HERRE, A. W. C. T. 1912b.

Supplement to the lichen flora of the Santa Cruz peninsula, California. Journal of the Washington Academy of Sciences 2: 380–386.

SCHULTZ, M., B. D. RYAN, & T. H. NASH III. 2004.

Collema, pp. 65–80, 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.

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

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

WRIGHT, D. 1997.

Field trip to the Lake Pillsbury area, Lake County, California, April 19–20, 1997. Bulletin of the California Lichen Society 4: 28–32.