References from the California Lichen Catalog
- BRODO, I. M., S. D. SHARNOFF, & S. SHARNOFF. 2001.
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Lichens of North America.
Yale University Press, New Haven.
- ROBBINS, C. A. 1931.
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Cladonias collected by S. F. Blake in the western United States.
Rhodora 33: 135–139.
Complete references section