Spreading Woodfern
Dryopteris expansa
- Native to:
- Albania, Austria, Baltic States, Belarus, Belgium, Bulgaria, Canada, China, Corse, Czechia-Slovakia, Denmark, Finland, France, Germany, Great Britain, Greece, Greenland, Hungary, Iceland, Italy, Japan, Korea, Kuril Is., Labrador, Netherlands, North Caucasus, Norway, NW. Balkan Pen., Poland, Portugal, Romania, Russia, Spain, Sweden, Switzerland, Taiwan, Transcaucasus, Türkiye, Ukraine, United States
iNaturalist: © basaltydog (iNaturalist #176223889)
Taxonomy
- Division:
- Pteridophyta | - Ferns
- Family:
- Polypodiaceae
- Genus:
- Dryopteris
- Species:
- Dryopteris expansa
- USDA Symbol:
- DREX2
Growth Characteristics
- Life Cycle:
- Perennial
- Growth Habit:
- Forb/herb
- Height:
- 90 cm
- Light Requirements:
- Part Shade,Shade
- Drought Tolerance:
- Low
Keystone Species Ranking
- Caterpillar Keystone:
- ★☆☆☆☆ Butterfly & moth species supported by this genus (NWF)
Soil Requirements
- Soil Type:
- rich, well-drained loamy soil
- pH:
- 5.0 - 7.0 (slightly acidic to neutral)
- Drainage:
- tolerates poor drainage
- Moisture:
- consistently moist
- Notes:
- prefers shaded forest floors
Propagation & Germination
- Notes:
- Spores require moist, shaded conditions for germination; no pretreatment needed.