References from the California Lichen Catalog

HASSE, H. E. 1910b.

Additions to the lichen flora of southern California. No. 4. The Bryologist 13: 111–112.

STIZENBERGER, E. 1895.

A list of lichens collected by Mr. Robert Reuleaux in the western parts of North America. Proceedings of the Southern California Academy of Sciences, Series 2, 5: 535–538. (republished in Erythea 3: 30–32, 1895.)