References from the California Lichen Catalog

HASSE, H. E. 1896.

Lichens of the vicinity of Los Angeles II–IV. Erythea 4: 96–98, 106–108, 150–157.

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.

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.