Usnea hesperina

Taxonavigation edit

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

Usnea hesperina Motyka, 1937

Motyka, J. (1938) Lichenum generis Usnea studium monographicum. Pars systematica, volumen secundum. Leopoli. 305-651 pp. (Mattick Rec.# 28700 - Mattick's Index on Lichens)

Brodo, I.M., Sharnoff, S.D. and Sharnoff, S. (2001) Usnea (pp. 709-726) In, Lichens of North America. Yale University Press, New Haven, 795 pages. (Description of U. hesperina, and distribution map for North America: p. 720; color photo: p. 720, plate 886)

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. hesperina: p. 299)

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. hesperina: p. 51; black-and-white photo showing minute soralia and single isidia: p. 39, fig. 8; distribution map for British Columbia: p. 43, fig. 20)

Herrera-Campos, M.A., Clerc, P. and Nash III, T.H. (1998) Pendulous species of Usnea from temperate forests in Mexico. The Bryologist 101(2): 303–329. (RLL List # 171 / Rec.# 8393 - Recent Literature on Lichens) (JSTOR) (Description of U. hesperina: p. 321; diagram of tranverse section of branch: p. 306, fig. 4a; black-and-white photo of segments of main branch: p. 307, fig 5a; black-and-white photos of soralia: p. 309, fig. 8a & b; distribution map for Mexico: p. 315, fig. 12g)

English: Silken beard lichen, Beard lichen