Usnea in Europe  http://www.ut.ee/ial5/k2n/
key/usnea_eu/index.html
  • Usnea hirta, thallus
  • Usnea hirta, base
  • Usnea hirta, base
  • Usnea hirta, base
  • Usnea hirta, branch
  • Usnea hirta, foveolae
  • Usnea hirta, isidia
  • Usnea hirta, medulla