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Dryopteris intermedia (Muhl. ex Willd.) Gray
Intermediate woodfern, Evergreen wood-fern, Fancy wood fern
Synonyms: Dryopteris austriaca var. intermedia,
Dryopteris spinulosa var. concordiana,
Dryopteris spinulosa var. intermedia
USDA Symbol: DRIN5
USDA Native Status: Native to U.S.
This evergreen fern is vase shaped with long (up to 10 inches), lacy foliage. A good choice for deep shade.
The extreme variability of size and colour may make it confusing to identify. In addition, it sometimes grows mixed with D. carthusiana in some areas. (Ferns of Grey and Bruce Counties)
Plant CharacteristicsDuration: Perennial Habit: Herb
, Fern Leaf Retention: Evergreen Leaf Complexity: Bipinnate Leaf Shape: Ovate Leaf Texture:
Green usually through winter. Sometimes dying back in winter. Flower:
Bloom InformationBloom Color: Not Applicable
Bloom Notes: Not a flowering plant. Reproduces by spores.
AL , CT , DC , DE , GA , IA , IL , IN , KY , MA , MD , ME , MI , MN , MO , NC , NH , NJ , NY , OH , PA , RI , SC , TN , VA , VT , WI , WV Canada: NB
, QC Native Habitat:
Moist rocky woods, especially hemlock hardwoods, ravines, and edges of swamps. USDA Native Status: L48(N), CAN(N),
Growing ConditionsLight Requirement: Shade
Soil Moisture: Moist
Soil Description: Organic, Humus Enriched
Conditions Comments: Will grow in rocky soil if moisture requirements are met.
PropagationPropagation Material: Clump Division
Seed Collection: Spores mature in mid-summer, are difficult to germinate.
Maintenance: The plant does not spread quickly but can be divided in spring or fall.
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:
- Newark, DE
Recommended Species Lists
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Record Modified: 2011-08-09
Research By: TWC Staff