Usnea florida

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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 florida


Usnea florida (L.) Weber ex F.H.Wigg., 1780

Substrate and ecology: Mainly on bark of Pinus spp. and Quercus spp. in pine oak-forests.

Basionym: Lichenus floridus L., 1753


  • Usnea barbata subsp. florida (L.) Vain., 1890
  • Usnea barbata var. florida (L.) Fr.


  • Prim. fl. holsat. (Kiliae) 2: 7 (1780)
  • Weber, G. H. (1780) . - In: Wiggers, F. H: Primitiae Florae Holsatiae. Kiliae, pp.   (Mattick Rec.# 33145 - Mattick's Index on Lichens)
  • Clerc, P. (1984) Contribution à la révision de la systématique des Usnées (Ascomycotina, Usnea) ďEurope I.—Usnea florida (L.) Wigg. emend. Clerc. Cryptogamie, Bryologie et Lichénologie 5: 333–360.   (RLL List # 124-20 / Rec.# 3368 - Recent Literature on Lichens) (PDF file)
  • 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. florida, and distribution map for the Sonoran Desert Region: p. 318)
  • 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 of U. florida: p. 395; distribution map, and color photo: p. 396)
  • 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. florida: p. 626; diagram of papillae and fibrils: p. 623, fig. 26a)
  • Ohmura, Y. and Kashiwadani, H. (2000) Usnea subfloridana Stirt. (Parmeliaceae) and its related species in eastern Asia. J. Jap. Bot. 75: 164–177.   (RLL List # 180 / Rec.# 21279 - Recent Literature on Lichens) (Illustration of U. florida: fig. 1c)
  • 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. florida: pp. 947 & 949; color photo: p. 947)

Links to photos[edit]

  • Flechtenbilder (Lichen Images) by Ulrich Kirschbaum - Usnea florida
  • The Lichen Herbarium, Natural History Museum, University of Oslo, Norway (Photo Gallery) - Usnea florida

Vernacular names[edit]

English: Florida beard lichen
magyar: Virágos szakállzuzmó
русский: Уснея цветущая