Connecticut Plants
Laurentian Fragile Fern (Laurentian Bladder Fern)
Cystopteris laurentiana (Weatherby) Blasdell
  • Synonyms: Cystopteris fragilis (L.) Bernh. var. laurentiana Weath.
  • Family: cliff fern (Woodsiaceae)
  • Habitat: cliffs, rock outcroppings, and talus slopes, especially on limestone or other alkaline rock
  • Height: fronds 6-18 inches long
  • Location of spores: underside of fronds
  • Petiole (leaf stalk): dark and with scattered scales at base; tan and smooth higher
  • Growth pattern: asymmetric clump
  • Persistence: deciduous
  • Origin: native

photographed in Newfoundland, Canada in mid-July