References from the California Lichen Catalog

BÜDEL, B., M. SCHULTZ, & T. H. NASH III. 2002.

Heppia. pp. 204–207, in T. H. Nash III, B. D. Ryan, C. Gries, & F. Bungartz (eds.), Lichen flora of the Greater Sonoran Desert region, Vol. 1. Lichens Unlimited, Arizona State University, Tempe.

HASSE, H. E. 1898a.

Lichens of Southern California. Los Angeles.

HASSE, H. E. 1913b.

The lichen flora of southern California. Contributions from the United States National Herbarium 17: 1–132.

McCLATCHIE, A. J. 1897.

Seedless plants of southern California. Protophytes — Pteridophytes. Proceedings of the Southern California Academy of Sciences 1: 363–370.

ORCUTT, C. R. 1885.

Flora of southern and lower California. No publisher given. San Diego. 13 pp.

ORCUTT, C. R. 1903.

Southern California lichens. The West American Scientist 14(3): 17–22; 14(4): 25–28.

ORCUTT, C. R. 1907.

Botany of southern California. Lichens. American Plants, 1: 240–245, 367–372.

ORCUTT, C. R. 1909.

Botany of southern California. Lichens. American Plants, 2: 400–401.