Usnea in Europe http://www.ut.ee/ial5/k2n/
key/usnea_eu/index.html
  • Usnea wasmuthii, branches & soralia
  • Usnea wasmuthii, branches & soralia
  • Usnea wasmuthii, soralia
  • Usnea wasmuthii, soralia
  • Usnea wasmuthii, soralia
  • Usnea wasmuthii, juvenile soralia
  • Usnea wasmuthii, mature soralia
  • Usnea wasmuthii, excavate soralia
  • Usnea wasmuthii, soralia & isidia
  • Usnea wasmuthii, papillae
  • Usnea wasmuthii, medulla