References from the California Lichen Catalog

HASSE, H. E. 1912.

Additions to the lichen flora of southern California. No. 7. The Bryologist 15: 45- 48.

HASSE, H. E. 1915b.

Additions to the lichen flora of southern California. No. 11. The Bryologist 18: 92–94.

WILLEY, H. 1873a.

A list of North American lichens arranged according to Professor E. Tuckerman's “Genera Lichenum”. New Bedford.