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

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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