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Gymnocarpium dryopteris (L.) Newman
Northern oak fern, Western oakfern
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.
Bloom InformationBloom Color: Not Applicable
Bloom Notes: Not a flowering plant. Reproduces by spores.
, WY Canada: BC
, 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.
Most easily propagated from rhizome
pieces. Seed Collection:
Not Available Seed Treatment:
Not Available Commercially Avail:
National Wetland Indicator Status
This information is derived from the U.S. Army Corps of Engineers National Wetland Plant List, Version 3.1
(Lichvar, R.W. 2013. The National Wetland Plant List: 2013 wetland ratings. Phytoneuron 2013-49: 1-241). Click here
for map of regions.
From the National Suppliers Directory
According to the inventory provided by Associate Suppliers, this plant is available at the following locations:
- Westfield, WI
From the National Organizations Directory
According to the species list provided by Affiliate Organizations, this plant is either on display or available from the following:
Mt. Cuba Center
- Hockessin, DE
Record Last Modified: 2007-01-01
Research By: TWC Staff