Cystopteris alpina

Alpine Bladder Fern
  • Tufted leaves from 5 to 20 cm tall
  • Blade finely cut
  • Pinnulae narrow, like laces

WOODSIACEAE

= ATHYRIACEAE

genus Cystopteris

  • Growth in spring, fructification in summer, leaves disappearing in fall
  • Sheltered crevices of limestone boulders and cliffs
  • Seems not common: some small plants observed in a snow shaft on Font d'Urle and Mont Aiguille cliffs (picture above)