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.

ORCUTT, C. R. 1903.

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