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Narrow-leaved Spleenwort (Narrow-leaved Glade Fern)
Diplazium pycnocarpon (Athyrium pycnocarpon, Asplenium pycnocarpon)

Narrow-leaved spleenwort is endangered in Connecticut. The photos show plants growing in Pennsylvania.

• Family: Dryopteridaceae
• Habitat: moist open woods, moist meadows, swamps; usually in neutral or slightly alkaline soil
• Height: 2-3 feet
• Location of spores: underside of frond
• Stipe (leaf stalk): green and smooth or sparsely hairy; dark and slightly scaly at the base
• Growth pattern: asymmetric clump
• Persistence: deciduous

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Diplazium pycnocarpon



Underside of the leaflets, showing the sori (spore-bearing structures).


Last updated November 25, 2005. © 2005 Connecticut Botanical Society. All rights reserved.