Constancea 84, 2006
University and Jepson Herbaria
California Lichen Catalog

References from the California Lichen Catalog

HASSE, H. E. 1913b.
The lichen flora of southern California. Contributions from the United States National Herbarium 17: 1–132.
HERRE, A. W. C. T. 1907.
Lichen distribution in the Santa Cruz peninsula, California. Botanical Gazette 43: 267–273.
HERRE, A. W. C. T. 1910.
The lichen flora of the Santa Cruz peninsula, California. Proceedings of the Washington Academy of Sciences 12(2): 27–269.
PRINTZEN, C., & B. McCUNE. 2004.
Trapeliopsis, pp. 538–541, 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.
ZAHLBRUCKNER, A. 1902.
Diagnosen neuer und genügend beschriebener kalifornischer Flechten. Beihefte zum Botanischen Zentralblatt 13: 149–163.
Complete references section