/home/ctbotsoc/ct-botanical-society.org/app/webroot/
Connecticut Plants
Mountain Woodfern
Dryopteris campyloptera (Kunze) Clarkson

Mountain woodfern is endangered in Connecticut. These photos were taken in New Hampshire and Canada, where the fern is more common.

  • Synonyms: Dryopteris spinulosa (O.F. Müll.) Watt var. americana (Fisch. ex Kunze) Fernald
  • Family: woodfern (Dryopteridaceae)
  • Habitat: cool, moist woods, usually in acidic soil
  • Height: fronds 2-3 feet long
  • Location of spores: underside of fronds
  • Petiole (leaf stalk): green, with light-brown scales at the base
  • Growth pattern: asymmetric clump
  • Persistence: deciduous
  • Origin: native
Dryopteris campyloptera Clarkson
Dryopteris campyloptera Clarkson
Dryopteris campyloptera Clarkson

Underside of a frond, showing the small, round sori (spore-bearing dots) near the tips of veins.

Dryopteris campyloptera Clarkson