Pyrenopsis polycocca

Familia: Lichinaceae
Genus: Pyrenopsis
Species:

Pyrenopsis polycocca (Nyl.) Tuck., 1882

Basionym: Synalissa polycocca Nyl., 1858

• Zahlbruckner, A. Catalogus Lichenum Universalis 2 , 1923-1924, page 773
• Tuck., Synops. North Americ. Lich., vol. I, 1882, p. 136.
• Tuckerman, E. (1882) A synopsis of the North American lichens. Part. I, comprising the Parmeliacei, Cladoniei and Coenogoniei. - S.F. Cassino\Boston. XX, 262 pp.
• Brodo, I.M., Sharnoff, S.D. and Sharnoff, S. (2001) Pyrenopsis (p. 611) In, Lichens of North America. Yale University Press, New Haven, 795 pages. (P. polycocca, description, color photo, and distribution map for North America: p. 611)
• Index Fungorum
• USDA Plants Database
• North American Lichen Checklist (Sep 2008)

• Stephen Sharnoff's Lichen Photos -Pyrenopsis polycocca