Usnea in Europe http://www.ut.ee/ial5/k2n/
key/usnea_eu/index.html
  • Usnea glabrescens, thallus (shrubby)
  • Usnea glabrescens, thallus (subpendent)
  • Usnea glabrescens, base, Estonia
  • Usnea glabrescens, base, UK
  • Usnea glabrescens, branches & fibrils, Estonia
  • Usnea glabrescens, fibrils, UK
  • Usnea glabrescens, soralia, UK
  • Usnea glabrescens, soralia
  • Usnea glabrescens, juvenile soralia, UK
  • Usnea glabrescens, mature soralia, UK
  • Usnea glabrescens, medulla, Estonia