Usnea cornuta subsp. cornuta

Taxonavigation

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 cornuta
Subspecies: Usnea cornuta subsp. cornuta

Name

Usnea cornuta Körber subsp. cornuta, 1859

Synonyms

• Usnea constrictula Stirt.
• Usnea inflata (Duby) Motyka
• Usnea intexta Stirt.
• Usnea subhirta (Vain.) Motyka   (in Clerc, 2007)
• Usnea subpectinata Stirt.

References

• Koerber, G.W. (1859) Parerga lichenologica. Ergänzungen zu: Systema Lichenum Germaniae, Lief. I-V. Breslau. 1-96 pp.
• 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. cornuta: pp. 715-716; distribution map for North America: p. 715; color photo: p. 716, plate 880)
• Clerc, P. (1987) On the morphology of soralia in the genus Usnea, pp. 99-102 in Peveling, E. (ed.) Progress and Problems in Lichenology in the Eighties. Bibl. Lichenol. 25. (Illustration of U. cornuta: plate 1c)
• Clerc, P. (1987) Systematics of the Usnea fragilescens aggregate and its distribution in Scandinavia. Nord. J. Bot. 7: 479–495. (Illustrations of U. cornuta: figs. 5, 8, 11, 14b, 20b,c & 24)
• Clerc, P. (2007) Usnea (pp. 302-335) In: Nash III, T.H., Gries, C., and Bungartz, F. (eds.), Lichen Flora of the Greater Sonoran Desert Region, Vol. 3. Lichens Unlimited, Arizona State University, Tempe, Arizona, 567 pages. (Description of U. cornuta: pp. 313-314)
• 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. (Description of U. cornuta: p. 295) [1]
• Dobson, F.S. (2000) (Fourth edition) Usnea (pp. 389-398) In, Lichens: An illustrated guide to the British and Irish species. The Richmond Publishing Co., Ltd., Slough, England, 431 pp. (Description, distribution map, and color photo of U. cornuta: p. 393)
• 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. (Description of U. cornuta: pp. 47-48) [2]
• 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. (Description of U. cornuta: pp. 251-252; black- and white photo of thallus base: p. 237, fig. 1a; black-and-white photos of branch segments: p. 238, fig. 2c-e; black-and-white photos of thallus variation: p. 240, fig. 4a-e; black-and-white photos of soralia and isidia: p. 242, fig. 7a-c; black-and-white photos of variation in soralia: p. 243, fig. 8 a-e; black-and-white photos of longitudinal sections: p. 247; fig. 13a; distribution map for Mexico: p. 250, fig. 15c) [3]
• 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. cornuta: pp. 624-625)
• Wirth, V. (1995) Usnea (pp. 940-953 - Teil 2) In, Die Flechten Baden-Württembergs, Teil 1 & 2. Eugen Ulmer GmbH & Co., Stuttgart. 1006 pp.; in German. (Description of U. cornuta: p. 947)
• Index Fungorum

Vernacular names

English: Beard lichen