Usnea wirthii

Taxonavigation[edit]

Taxonavigation: Lecanorales
Superregnum: Eukaryota Regnum: Fungi Subregnum: Dikarya Divisio: Ascomycota Subdivisio: Pezizomycotina Classis: Lecanoromycetes Subclassis: Lecanoromycetidae Ordo: Lecanorales

Familia: Parmeliaceae
Subfamilia: Parmelioideae
Genus: Usnea
Species: Usnea wirthii

Usnea wirthii P.Clerc, 1984

Clerc, P. (1984) Usnea wirthii--a new species of lichen from Europe and North Africa. Saussurea 15: 33–36. (RLL List # 124-21 / Rec.# 3369 - Recent Literature on Lichens) (PDF file)

Clerc, P. and Herrera-Campos, M.A. (1997) Saxicolous species of Usnea subgenus Usnea (Lichenized Ascomycetes) in North America. The Bryologist 100(3): 281–301. (RLL List # 168 / Rec.# 3361 - Recent Literature on Lichens) (PDF file) (JSTOR) (Description of U. wirthii: p. 300)

Halonen, P., Clerc, P., Goward, T., Brodo, I.M. and Wulff, K. (1998) Synopsis of the genus Usnea (lichenized Ascomycetes) in British Columbia, Canada. The Bryologist 101(1): 36–60. (RLL List # 170 / Rec.# 7545 - Recent Literature on Lichens) (PDF file) (JSTOR) (Description of U. wirthii: p. 58; black-and-white photo: p. 39, fig. 13, constrictions with annular cracks)

Herrera-Campos, M.A., Nash III, T.H. and Zambrano Garcia, A. (2001) Preliminary study of the Usnea fragilescens aggregate in Mexico. The Bryologist 104(2): 235–259. (RLL List # 184 / Rec.# 22189 - Recent Literature on Lichens) (JSTOR) (Description of U. wirthii: pp. 256-257; distribution map for Mexico: p. 251, fig. 15j)

James, P.W., Clerc, P. and Purvis, O.W. (1992) Usnea (pp. 620-629) In: Purvis, O.W., Coppins, B.J., Hawksworth, D.L., James, P.W. and Moore, D.M. (eds.) The Lichen Flora of Great Britain and Ireland. London: Natural History Museum Publication, 710 pp. (Description of U. wirthii: p. 629)