Blechnum spicant

Hard Fern

  • Sterile leaves growing in flat tufts from 15 to 50 cm tall; at the center, some fertile leaves pointing upward
  • Blade leathery
  • Sori linear
  • Fertile leaves only in favorable conditions

BLECHNACEAE

genus Blechnum

 

  • Growth in spring, fructification in summer, sterile leaves disappearing the next year
  • Woods on acidic soils, wet slopes, up to 2000 m in altitude
  • Rare in Vercors : associated with sandy soils ( miocene mollasse): St Julien-en-Vercors, Les Ecouges, Gobert trail.