References from the California Lichen Catalog
- BOLANDER, H. N. 1870.
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A catalogue of the plants growing in the vicinity of San Francisco.
San Francisco.
- BRODO, I. M., S. D. SHARNOFF, & S. SHARNOFF. 2001.
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Lichens of North America.
Yale University Press, New Haven.
- FINK, B. 1935.
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The lichen flora of the United States.
Ann Arbor.
- HASSE, H. E. 1903c.
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Additions to the lichen flora of southern California.
Bulletin of the Southern California Academy of Sciences 2: 52–54.
- TIBELL, L., & B. D. RYAN. 2004.
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Calicium, pp. 39–44; Chaenotheca, pp. 57–61; Chaenothecopsis, pp. 639–641; Cyphelium, pp. 82–88; Microcalicium, pp. 669–673; Phaeocalicium, pp. 399–401; Sphaerophorus, pp. 507–508; Stenocybe, pp. 511–513; Texosporium, pp. 532–533; Thelomma, pp. 533–536,
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).
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A catalog of California lichens.
Wasmann Journal of Biology 36: 1–105.
- TUCKERMAN, E. 1866.
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Lichens of California, Oregon, and the Rocky Mountains, so far as yet known.
J. S. and C. Adams, Amherst. 35 pp.
- TUCKERMAN, E. 1872.
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Genera Lichenum. An arrangement of the North American lichens.
Edwin Nelson, Amherst. 281 pp. + index.
- TUCKERMAN, E. 1888.
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A synopsis of the North American Lichens, Pt. 2, comprising of the Lecidacei, and (in part) the Graphidacei.
E. Anthony & Sons, Printers, New Bedford. 176 pp.
- WEBER, W. A. 1967b.
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A synopsis of the North American species of Cyphelium.
The Bryologist 70: 197–203.
- WILLEY, H. 1873a.
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A list of North American lichens arranged according to Professor E. Tuckerman's “Genera Lichenum”.
New Bedford.
Complete references section