Gymnocarpium dryopteris (L.) Newman
Northern oak fern, Western oakfern
Dryopteridaceae (Wood Indies-Almond Family)
Synonym(s): Dryopteris dryopteris, Dryopteris linnaeana, Phegopteris dryopteris, Thelypteris dryopteris
USDA Symbol: GYDR
This small colony-forming, woodland fern grows 6-10 in. Its delicate fronds are triangular in outline and divided into deeply cut threes.
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Plant CharacteristicsDuration: Perennial
Habit: Herb , Fern
Leaf Retention: Evergreen
Size Class: 0-1 ft.
Bloom InformationBloom Color: Not Applicable
Bloom Notes: Not a flowering plant. Reproduces by spores.
DistributionUSA: AK , AZ , CO , CT , IA , ID , IL , MA , MD , ME , MI , MN , MT , ND , NH , NJ , NM , NY , OH , OR , PA , RI , SD , UT , VT , WA , WI , WV , WY
Canada: BC , NB , NL , NS , ON , PE
Native Distribution: Circumboreal, s. to upland VA, IA, NM, AZ & OR
Native Habitat: Cool, mossy or rocky woods & stream banks
Growing ConditionsLight Requirement: Sun , Shade
Soil Moisture: Moist
Soil Description: Moist, rich soils.
Conditions Comments: This is an excellent ground cover for moist, shaded places. It spreads quickly and is easy to establish and maintain. Dies down in fall.
PropagationDescription: Most easily propagated from rhizome pieces.
Seed Collection: Not Available
Seed Treatment: Not Available
Commercially Avail: yes
Find Seed or Plants
View propagation protocol from Native Plants Network.
From the National Suppliers DirectoryAccording to the inventory provided by Associate Suppliers, this plant is available at the following locations:
Prairie Nursery - Westfield, WI
From the National Organizations DirectoryAccording to the species list provided by Affiliate Organizations, this plant is on display at the following locations:
Mt. Cuba Center - Hockessin, DE
Recommended Species Lists
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Additional resourcesUSDA: Find Gymnocarpium dryopteris in USDA Plants
FNA: Find Gymnocarpium dryopteris in the Flora of North America (if available)
Google: Search Google for Gymnocarpium dryopteris
MetadataRecord Modified: 2007-01-01
Research By: TWC Staff