Western Oakfern
Gymnocarpium dryopteris
- Native to:
- Albania, Austria, Baltic States, Belgium, Bulgaria, Canada, China, Corse, Czechia-Slovakia, Denmark, Finland, Føroyar, France, Germany, Greece, Greenland, Hungary, Iceland, Ireland, Italy, Japan, Kazakhstan, Korea, Krym, Kuril Is., Labrador, Netherlands, Norway, NW. Balkan Pen., Poland, Prince Edward I., Romania, Russia, Spain, Sweden, Switzerland, Transcaucasus, Türkiye, Ukraine, United States
iNaturalist: © juliaschwienbacher (iNaturalist #47808485)






Taxonomy
- Division:
- Pteridophyta | - Ferns
- Family:
- Aspleniaceae
- Genus:
- Gymnocarpium
- Species:
- Gymnocarpium dryopteris
- USDA Symbol:
- GYDR
Growth Characteristics
- Life Cycle:
- Perennial
- Growth Habit:
- Forb/herb
- Height:
- 40 cm
- Light Requirements:
- Full Sun,Shade
- Drought Tolerance:
- Low
- Ground Cover:
- Yes
Garden & Ecology Notes
- Deer Resistant:
- Yes
- Fall Color:
- yellow
Soil Requirements
- Soil Type:
- rich, well-drained loamy soil
- pH:
- 5.0 - 7.0 (slightly acidic to neutral)
- Drainage:
- good drainage required
- Moisture:
- consistently moist
- Notes:
- prefers shaded forest floors
Propagation & Germination
Pre-treatment: Collect spores and surface sow in sterilized flats filled with sterile, finely milled peat moss moistened with distilled water. Seal flats with clear plastic wrap and place under 60 watt soft incandescent lights set at 12 hour per day illumination.
Establishment: The species is common in moist forests, streambanks, and wet cliffs from lowland to mid-montane elevations. Fertilization requires a thin film of distilled water over the surface of the prothalli.
Source: npn.rngr.net