References from the California Lichen Catalog

GOWARD, T. 1999.

The Lichens of British Columbia. Part 2. Fruticose species. Special Report ser. 9. British Columbia Ministry of Forests, Crown Publications Inc., Victoria, B. C., Canada.

SCHULTZ, M. 2004.

Lempholemma, pp. 320–322; Metamelanea, pp. 359–360, 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.